Most scientists now subscribe to the three-domain system of classifying organisms, which has

replaced the five-kingdom system. Which is the main reason for this change?

(1 Point)

A cohort study is a type of observational research that studies a large group of individuals in a specific population, which may assist in identifying nutrition and exercise patterns in the population.

In a cohort study, a group of individuals is selected and followed over time to assess the relationship between a specific exposure (such as a certain diet or exercise pattern) and a specific outcome (such as incidence of heart disease or obesity). Cohort studies can provide valuable insights into the natural history of a disease and can help identify risk factors for the development of certain conditions. They are often used in the field of nutrition and exercise research to understand the impact of these factors on health outcomes.

Learn more about cohort study here:

https://brainly.com/question/24207197

#SPJ4

Answer:

Four haploid daughter cells are created at the end of meiosis 1

Answer:

Explanation:

1. Grass and other plants as the primary producers

2. Grasshoppers and other insects as herbivores

3. Sparrows, robins, and other small birds as primary consumers that eat the insects

4. Hawks and other larger birds as secondary consumers that eat the smaller birds

5. Foxes, raccoons, and other mammals as tertiary consumers that eat the birds and small mammals

If all of the grasshoppers were to move away, the population of small birds that rely on them for food would likely decrease. This could also lead to a decrease in the population of larger birds and mammals that eat the smaller birds. In turn, this could result in a population increase of the plants that the grasshoppers were previously eating.

Marine biologists value the taxonomic classification because it demonstrates the existence of marine evolution.

Every marine organism is known to science and has a name. We can identify marine animals and determine relationships among them, or we can say that Latin is the universal and the language of marine biology. The objective is to categorise what we do discover and ensure that there is a classification that is used universally. Because you don't want people calling the same animal by different names. Therefore, everyone refers to the same species by the same name. Thus, it's crucial for research. Each of you must be knowledgeable in the subject at hand. Additionally, it implies that you can use this classification system to determine how closely related different organisms are.

To know more about taxonomic please check the following link

https://brainly.com/question/13849333

#SPJ4

Any two people on Earth have 99.6 percent identical DNA. However, 0.4 percent variation represents approximately 12 million base pairs, which can account for many of the differences between individuals, particularly if the changes occur in key genes. Our surroundings also contribute to our uniqueness

Cell membrane isolates the cell from surrounding. It acts like Electrical conductor, Electrical insulator and electrical gradient at different time in different situations.

All cells have cell membranes that isolate them from their surroundings. The phospholipid protein bilayer that makes up the cell membrane is an excellent insulator. The cell membrane's dielectric constant is around 9. The membrane divides the conductor-filled intracellular and external fluids. Ions make up the free charges in these conductors. For human cells, the interior of a cell is an equipotential volume with a potential that is roughly -60 to -90 mV lower than that of the extracellular fluids.

There is a significant amount of dissolved salts in the fluid both inside and outside of a cell. Salts create positively and negatively charged ions when they dissolve in water. In the majority of cells, the concentration of sodium ions (Na+) outside the cell is higher than the concentration of potassium ions (K+) inside the cell. Despite being a good insulator, the cell membrane has channels where ions can leak. An ion channel often only allows certain kinds of ions to pass through it. Channels can be always open or gated, passive or active, and both.

Electrical gradient in biological solutions refers to the electrical potential acting on an ion to cause the ion to flow in one way or another. When an ion's concentrations are unevenly distributed across a permeable membrane, the ion will simply diffuse across the membrane from the region of higher concentration to the region of lower concentration. Ions also possess an electric charge, which when applied to a membrane creates an electric potential.

For more such questions on cell membrane , Refer:

https://brainly.com/question/1768729

#SPJ4

The cell membrane isolates the cell from the environment. It acts like an electrical conductor, an electrical insulator and an electrical gradient at different times in different situations.

All cells have a cell membrane that isolates the cell from its surroundings. The phospholipid-protein bilayers that make up cell membranes are excellent insulators. The dielectric constant of the cell membrane is about 9. The membrane separates the ladder-filled intracellular and external fluids. Ions form free charges on these conductors. For human cells, the interior of the cell is an isopotential volume with a potential approximately -60 to -90 mV lower than that of the extracellular fluid.

An electrical gradient in a biological solution refers to a potential acting on ions that causes them to flow in some direction. If the concentration of ions is unevenly distributed across the permeable membrane, the ions simply diffuse across the membrane from areas of high concentration to areas of low concentration. Ions also carry an electrical charge, which creates an electrical potential when applied to a membrane.

For more information on cell membrane, visit :

brainly.com/question/1768729

#SPJ4

The majority of the accessible glucose is oxidised during anaerobic fermentation via the glycolytic pathway, while the remaining glucose joins the pentose phosphate paths to produce NADPH and ribose.

In the LDH reaction, NADPH acts as an extra reducing equivalent. The pool of pentose phosphate pathway metabolites can supply glucose-6-phosphate again for recombination-based generation of NADPH in the absence of glucose. NADPH, the main source for reducing equivalents in the defence of RBCs against oxidative damage, is produced by pentose phosphate pathway (PPP). Additionally, this pathway generates ribo 5-phosphate (R5P), which would be necessary for the production of adenine nucleotides (Eaton and Brewer, 1974). Lactone is created through the oxidation of glucose-6-phosphate. As glucose-6-phosphate is oxidised, NADP +start subscripts, plus, end corey is reduced, resulting in the production of NADPH as a byproduct. The byproduct of glycolysis, pyruvate, is converted into oxaloacetate inside the mitochondria again for following process.

Learn more about  glycolysis

https://brainly.com/question/15159050

#SPJ4

The packages proteins within the cell and makes lipids is the endoplasmic reticulum (ER).

According to source , the ER "packages proteins within the cell and makes lipids." It is also noted in source that the ER "packages proteins within the cell and makes lipids." Additionally, mentions that lipids are a group of compounds that are found in living organisms, including prokaryotes and eukaryotes, and play many important roles biologically, such as membrane formation, protection, insulation, energy storage, cell division and more. However, it is not specified which organelle is responsible for the production of lipids in the cell.

Find out more about endoplasmic reticulum

brainly.com/question/28358838

#SPJ4

Active transport is the use of cellular energy to transfer materials across the plasma membrane against a concentration gradient. Contrarily, passive transport is the transfer of chemicals across the plasma membrane along a gradient of concentration without the need for cellular energy.

There are two main strategies to transfer molecules across a membrane, and the difference is related to the usage of cell energy. Active transport needs energy to operate, whereas passive systems like diffusion don't.

Because maintaining exact concentrations of different molecules is essential for cell function, transport across a cell membrane is a process that is highly regulated.. A molecule engages in passive transport when it goes down its concentration gradient; active transport takes energy when it moves up the gradient.

to know more about Plasma membrane click on the below link:

brainly.com/question/14727404

#SPJ4

Based on Energy requirement, The transport Across Plasma Membrane is of two types as Active Transport and Passive Transport.

Active Transport requires energy in the form of Adenosine Triphosphate ( ATP).It is the transport from high concentration to low concentration against the concentration gradient.Active transport is done across plasma membrane by utilizing a Transmembrane protein.It is also known as uphill transport.

Sodium Potassium Pump is an example for Active Transport. In this pump three sodium ions are transported out and two Potassium ions are transported to the inside of the cell. The cell always maintains a high concentration of Potassium ions inside the cell, further transport of K+ require energy in the form of ATP.

Learn more about Active Transport here:

https://brainly.com/question/29759743

#SPJ4

The correct responses are

1) True

2) True because it is the process of photosynthesis for trapping solar energy.

3) F and C, they involve the combustion of matter and cellular respiration respectively

4) C and E because in these carbon is returned by putrefaction or combustion.

5) A and B represent the conservation of mass since they can be represented by chemical reactions.

In the image attached we can see that there is the transition of energy from one form to the other. We have to recall that following the first law of thermodynamics, energy can not be created nor destroyed but can be transformed from one form to the other.

In this case, we can see that there are many kinds of energy transformations that are taking place in the image that is shown in the carbon cycle.

Learn more about carbon cycle:https://brainly.com/question/22741334

#SPJ1

Together, the  nervous system and the  endocrine system coordinate and execute communication throughout the body.

Action potentials, which are electrical signals that cells in the nervous system transmit, are used to coordinate and regulate bodily processes. It consists of the brain, spinal cord, and limber nerves. It takes effect swiftly, and its effects are transient.

On the other side, the endocrine system is a network of glands that create and secrete hormones into the blood. In order to control different physiological processes, hormones operate as chemical messengers that go throughout the body and interact with specific target cells. It has longer-lasting effects and operates more slowly.

Both systems cooperate to keep the body's internal environment in balance, or at homeostasis, and to plan how the body will react to both internal and external changes.

To know more about nervous system, click here,

brainly.com/question/26348097

#SPJ4

Together, the nervous system and the  endocrine system coordinate and execute communication throughout the body.

Action potentials, which are electrical signals sent by nerve cells, are used to coordinate and regulate bodily processes. It is made up of the brain, the spinal cord, and the limber nerves. Its effects are transient and take effect quickly.

The endocrine system, on the other hand, is a network of glands that produce and secrete hormones into the blood. Hormones act as chemical messengers that travel throughout the body and interact with specific target cells to control various physiological processes. It has a longer duration of action and operates more slowly.  Both systems work together to maintain the body's internal environment in balance, or homeostasis, and to plan how the body will respond to internal and external changes.

Learn more about  nervous system at : brainly.com/question/26348097

#SPJ4

d) Many genes that affect metabolism in yeast are more similar to bacterial than archaeal gene represent the correct option for the ancestor  of eukaryotes.

The three main categories of life are eukaryotes, bacteria, and archaea. Eukaryotes are organisms with complex cell structures that include membrane-bound organelles and a nucleus. Prokaryotic species, such as bacteria and archaea, have a more straightforward cell structure and no membrane-bound organelles.

It has been suggested that eukaryotes and bacteria have a more recent common ancestor than with archaea based on genetic and molecular investigations. This hypothesis is backed by the finding that several genes involved in metabolism in yeast, a eukaryote, resemble bacteria more than archaea. This shows that rather than an archaeal ancestor, eukaryotes may have descended from one.

To know more about eukaryotes, click here,

brainly.com/question/15418347

#SPJ4

d) Many genes that affect metabolism in yeast are more similar to bacterial genes than archaeal genes, indicating that the ancestor of eukaryotes was a bacterial gene.

Eukaryotes, bacteria, and archaea are the three major types of life. Eukaryotes have complex cell structures that include membrane-bound organelles and a nucleus. Prokaryotic organisms, such as bacteria and archaea, have a simpler cell structure with no membrane-bound organelles.

Based on genetic and molecular evidence, it has been proposed that eukaryotes and bacteria share a more recent common ancestor than archaea. This hypothesis is supported by the discovery that several genes involved in metabolism in yeast, a eukaryote, are more similar to bacteria than archaea. This suggests that eukaryotes may have descended from something other than an archaeal ancestor.

To know more about eukaryotes, click here,

brainly.com/question/15418347

#SPJ4

Gene variants (also known as mutations) can sometimes prevent one or more proteins from functioning properly. A variant can cause a protein to malfunction or not be produced at all by changing the instructions for making a protein in a gene

Biotech crops contribute fundamentally to paring the arrival of ozone-depleting drift shots from horticultural practices - for the most part from less fuel use and extra soil carbon capacity from decreased culturing.

All the more as of late, the utilization of biotechnology has prompted new pesticide items that control different irritations. These organically delivered pesticides, which utilize the intrinsic irritation-battling capacities of many existing plants and microorganisms, have properties that recognize them from those of traditional synthetic pesticides.

Biotechnology has assisted with expanding crop efficiency by presenting such characteristics as infection obstruction and expanded dry season resilience to the harvests. Presently, researchers can choose qualities for infection obstruction from different species and move them to significant harvests.

To learn more about biotech crops here

https://brainly.com/question/30223830

#SPJ4

Biotech crops have enabled farmers to increase the use of pesticides with marginal increases in environmental impact is true  statement.

The greatest explanation for pests' existence is the evolution of genetic resistance. Pest droppings are the most overt sign of an infestation. If you find any droppings around your home or on any property you own, you may be positive that a pest is there.

Animal waste is the most typical sign of a pest infestation. Check your establishment for any urine or faeces trails. Keep in mind that waste produced by tiny pests, like bed bugs, is sometimes harder to spot than waste produced by larger pests, such rats or mice. Therefore, a thorough inquiry is necessary.

Agricultural biotechnology seeds benefit farmers. Agriculture biotechnology is a safe and advantageous technology that supports both environmental and economic sustainability, according to decades' worth of documented evidence. Because transgenic crops enhance output and reduce production costs, farmers favor them.

To know more about pesticides

https://brainly.com/question/14811534

#SPJ4

Yunis and Samaha coined the phrase "inclusion body myositis" in 1971.

Vacuoles and filamentous inclusions are a common pathogenic feature of sporadic inclusion body myositis (s-IBM) and hereditary inclusion body myopathies (h-IBM), two different illnesses. They show a wide range of clinical manifestation, age of onset, concomitant disorders, and prognosis when taken as a whole. The subject of this article is s-IBM. The reader is pointed in the direction of other sources for discussion of h-IBM.

In 1971, Yunis and Samaha coined the name "inclusion body myositis" to describe a case of myopathy that phenotypically resembled chronic polymyositis but revealed inclusion bodies and cytoplasmic vacuoles upon muscle biopsy. The disorder has gained more attention in the years since and better histologic techniques have led to an increase in the recognition and reporting of s-IBM.

For more such questions on degenerative muscle disease, refer:

https://brainly.com/question/30244638

#SPJ4

"degenerative muscle disease inclusion body myositis" article was created by Mazen M. Dimachkie, M.D. and Richard J. Barohn, M.D.

In their article, they talk about A group of rare diseases known as idiopathic inflammatory myopathies has a lot in common with one another. Dermatomyositis (DM), polymyositis (PM), necrotizing myopathy (NM), and sporadic inclusion body myositis (IBM) are a few examples of these conditions. Chronic proximal leg and distal arm asymmetric muscle weakness is the most common idiopathic inflammatory myopathy after age 50 in inclusion body myositis.

Know more about polymyositis here: https://brainly.com/question/29220332

#SPJ4

The term "biodiversity" describes all species and forms of life found on Earth or in a particular habitat. The three types of  biodiversity essential are

genetic diversity, species diversity, and ecosystem diversity.

The term "biodiversity" refers to the variety of species and living forms (including animal, plant, entomological, and other types) as well as their variability, or the processes of evolution in their respective ecosystems.

There are three types of biodiversity, according to conventional wisdom: genetic diversity, species diversity, and ecosystem diversity. These three essential biodiversity preserve ecological system {An "ecological system" (also known as a "ecosystem") is a biological community made up of all the living things (including people) in a specific area as well as the nonliving things (such as air, water, and mineral soil) that the living things interact with.} and functions.

The diversity of genes( Genetic diversity) present in the living world is referred to as genetic diversity. Various genes and gene expressions exist between and within different species. Additionally, this genetic diversity leads to the diversity of life forms, their physical and biological traits, and, in some cases, phenotypes, depending on how those traits interact with their environment.

The diversity of living species ( species diversity) is referred to as species diversity. On Earth, there are millions of different species. Each one is unique and is broken down into groups according to its characteristics (insects, mammals, plants, fungi, etc.).

The diversity of ecosystems, measured by their type and population, in which living things interact with one another and their surroundings is referred to as ecosystem biodiversity. For instance, there are various ecosystems on Earth, each having unique characteristics like deserts, oceans, lakes, plains, or woods. There are unique characteristics within these ecosystems as well, such as cold or hot deserts, tropical or boreal woods, and warm or cold water coastal regions. Every ecosystem has its own quirks, species, and methods of operation.

For more such questions on biodiversity, refer:

https://brainly.com/question/26110061

#SPJ4

The term “biodiversity” describes all species and life forms that occur on Earth or in a particular habitat. 3 biodiversity essential are Genetic diversity, species diversity, ecosystem diversity.

The term “biodiversity” refers to the diversity of species and organisms (including animals, plants, insects and other species) and their diversity or evolutionary processes in their respective ecosystems.

According to popular opinion, there are three types of biodiversity:

Genetic diversity, species diversity, ecosystem diversity. These three important biodiversity conservation ecosystems {“ecosystems” (aka “ecosystems”) comprise all living (including humans) and non-living (air, water, etc.) biological community. , and mineral soils), with which organisms interact. } and functions. The diversity of genes that exist in the living world (genetic diversity) is called genetic diversity. Different genes and gene expression exist between and within different species. Furthermore, this genetic diversity leads to phenotypic diversity, depending on the organism, its physical and biological characteristics and, in some cases, how those characteristics interact with the environment.

The diversity of living species is called species diversity. There are millions of different species on earth. Each is unique and can be divided into groups according to their characteristics (insects, mammals, plants, fungi, etc.).

The diversity of ecosystems, measured by species and populations, is called biodiversity of ecosystems in which organisms interact with each other and with the environment. For example, there are many different ecosystems on Earth, each with unique characteristics such as deserts, oceans, lakes, plains, and forests.

For more information on biodiversity, visit :

brainly.com/question/26110061

#SPJ4

The condition in which an organism has extra sets of chromosomes is known as polyploidy. This has been observed in many examples of plants, including crop plants such as bananas, limes, and strawberries.

As scientists consider it as a chromosomal mutation that may provide benefits to an organism. However, in contrast, having extra sets of chromosomes can also lead to infertility in some organisms as described in 2. Meiosis is the type of cell division that reduces the number of chromosomes in gametes, as described in 3 to maintain the diploid state of somatic cells in sexually reproducing organisms.

Find out more about polyploidy.

brainly.com/question/1285569

#SPJ4

The condition in which an organism has extra sets of chromosomes is known as trisomy.

Errors in meiosis I usually cause Aneuploidy, importantly maternal meiosis I. With advanced maternal age generally errors of maternal meiosis I are associated .Once thought to involve mostly mis-segregation of whole chromosomes, it is now clear that chromatid errors are an equally prevalent cause of maternal meiotic errors.

20 Irrespective, the cytologic mechanism involves decreased or absent meiotic recombination.21 In trisomy 13 and trisomy 21, 90% of these maternal cases arise at meiosis I. Almost all trisomy cases arise in maternal meiosis I. An exception is trisomy 18, in which two thirds of the 90% of maternal meiotic cases arise at meiosis II.

For information about trisomy, visit:

https://brainly.com/question/29568552

#SPJ4

Limited exposure to sunlight causes abnormal bone development because sufficient amounts of vitamin D3 will not be generated.

Cholecalciferol, often known as vitamin D3, is essential for the body's ability to absorb calcium and phosphate ions normally. Sunlight causes cells in the epidermis to produce vitamin D3 in response to the body's needs. Without adequate time spent in the sun, the body is unable to generate sufficient amounts of vitamin D3.

A failure to uptake phosphate and calcium from the intestinal tract can lead to improper bone growth in those who live in places with low levels of solar exposure. These people also have a greater risk of developing osteoporosis.

You can also learn about vitamin D3 from the following question:

https://brainly.com/question/14931968

#SPJ4

The DNA not only contains the bases adenine( A), cytosine( C), guanine( G),but it also contains thymine( T)( T).

All the bases come in particular dyads( A with T, and G with C). Nearly all living cells have DNA. Its precise placement within a cell, still, is dependent on whether or not that cell has a unique, membrane- bound organelle called a nexus. Eukaryotes are defined as organisms made of cells with capitals, whilst prokaryotes are defined as organisms made of cells without capitals. DNA is stored within the nexus of eukaryotes, but since prokaryotes warrant a nexus, it's set up incontinently within the cellular cytoplasm. In a nutshell, DNA is a complicated patch made up of multitudinous corridor, a bit of which

To know more about DNA please check the following link

https://brainly.com/question/14761050.

#SPJ4

Adenine (A), Cytosine (C), and Guanine (G) are the three bases that make up DNA. Thymine (T) is also a base.

There are specific dyads for each base ( A with T, and G with C). DNA is present in almost every living cell. However, whether or not a cell possesses a special, membrane-bound organelle called a nexus will determine where exactly it is located within that cell. Prokaryotes are defined as organisms made of capital cells, whereas eukaryotes are defined as organisms made of capital cells. DNA is kept in the nexus of eukaryotes, but because prokaryotes require a nexus, it is arranged haphazardly inside the cellular cytoplasm. DNA is a complex patch made up of numerous corridors, each of which contains a variety of information. to understand.

To know more about DNA click here:

brainly.com/question/264225

#SPJ4

Answer:

 Helping to lower the activitation energy needed to start reaction

Explanation:

Answer: The coldest water in the ocean is typically found in the deepest regions. The deep ocean is colder than the surface waters because it is far from the sun's warming rays and it is also insulated by the overlying water layers. The temperature of the deep ocean can be as low as just above freezing point (0°C or 32°F).

The areas with the most salt can also have a slightly lower temperature because salt water has a higher density than fresh water, and thus it can retain the cold more than fresh water.

It's important to note that the ocean temperature varies depending on the location, time of the year, and depth. The ocean temperature near the poles is generally colder than the temperature near the equator, and also the ocean temperature near the coast can be affected by the land masses and currents.

Answer:

Explanation:

The genotype of a purebred red flower is RR, and the genotype of a purebred white flower is rr. When these two flowers are crossed, their offspring will have the genotype Rr, because each parent will pass on one copy of their allele (R or r) to their offspring.

The R allele is dominant, so any offspring with at least one R allele will have the phenotype of red. The only way for an offspring to have a white phenotype is for it to have two copies of the recessive r allele (rr). Therefore, all possible phenotypes for the offspring are red.

In a Punnett square, where the alleles of the parents are represented on the top and left sides, and the possible offspring genotypes are represented in the boxes, it would look like this:

R R

r Rr

r Rr

As you can see, all possible genotype of the offspring is Rr and the phenotype is Red.

B. It makes the climate warmer. Along the coast of Newfoundland and Labrador in the east, the Gulf Stream and the chilly Labrador Current converge, chilling the air and frequently generating fog.

The warm water carried by the Gulf Stream cools through evaporation as it moves north. The water cools due to evaporation caused by the wind blowing across it, which also raises the salinity and density of the water. Warmer waters from the Gulf of Mexico are brought up into the North Atlantic Ocean by the Gulf Stream, a strong ocean current. It stretches up the entire eastern coast of the United States before turning to the northwest of Europe.

To know more about evaporation, click here:

https://brainly.com/question/5019199

#SPJ4

B. It makes the climate warmer. Along the coast of Newfoundland and Labrador in the east, the Gulf Stream and the chilly Labrador Current converge, chilling the air and frequently generating fog.

The warm water carried by the Gulf Stream cools through evaporation as it moves north. The water cools due to evaporation caused by the wind blowing across it, which also raises the salinity and density of the water. Warmer waters from the Gulf of Mexico are brought up into the North Atlantic Ocean by the Gulf Stream, a strong ocean current. It stretches up the entire eastern coast of the United States before turning to the northwest of Europe.  

To know more about evaporation click here:

brainly.com/question/5019199

#SPJ4

Answer:

Incomplete dominance

Explanation:

The health of plants in interiorscapes, producing fields, gardens, and landscapes is threatened by a wide range of issues.

These issues may have minor cosmetic effects on the plant or more serious ones that have the potential to cause plant mortality, crop loss owing to poor yield and quality, and plant deformity.

Plant health issues continue to have a significant impact on our daily lives and have had a significant historical impact on human civilisation and culture. Food, fiber, aesthetic, and natural environment plants are all impacted by plant diseases.

The late blight on potatoes stands out among these ailments. In the 1840s, epidemics of this illness, brought on by Phytophthora infestans, swept widely over Ireland and Europe.

Therefore, The health of plants in interiorscapes, producing fields, gardens, and landscapes is threatened by a wide range of issues.

To learn more about plant disease, refer to the link:

https://brainly.com/question/20868108

#SPJ1

Explanation:

Scientists have observed cells take in other things by "pinching in," a process called__.

A. exocytosis

B. infolding

C. enveloping

D. inferring

Run about Trihybrid crosses again, and we are looking at a canine with some traits then. Each right, flashback the mongrel means 2 traits each right, so we have a black Alaric's dominant okay.

Under the hand is dominant, which means small homosagas are black. Now, let's cross this figure, pluck, which means bab and portentous for both red and white, spotted womanish, so to be crossed with red and white sporting. So, if you do, these 16 by 16 at the table, realize that you will have all of these individualities or will be b b s s all of them. So there is just 1 distinct fino type, that is 100 percent.

So we anticipate these to be black and white spotted all right that that is the answer, which means that the probability of them producing a solid black doggy is Trihybrid crosses. Still, they'll be the better place set producing black and white spotted individualities each right.

To learn more about Trihybrid crosses, visit here

https://brainly.com/question/30292407

#SPJ4

The probability that the mating of homozygous male parent with solid black trait with a red and white spotted parent be a solid black off spring is 100%.

This kind of mating is an example of di-hybrid cross, in which if the male dog is solid black then his allele pair would be [tex]BBSS[/tex]. If the female parent is red and white spotted, then her allele pair would be [tex]bbss[/tex]. Therefore in the off spring, the allele pairs [tex]BS[/tex] and [tex]bs[/tex] will be present and when they will be put together in Punnett square, the dominant characters will show up in the off spring. The doggy will be solid black but the traits will be heterozygous in nature. Hence we can say that a homozygous cross in parents will result in 100% production of heterozygous off spring with the dominant characters over the recessive characters.

Learn more about di-hybrid cross at:

brainly.com/question/12540319

#SPJ4

the scientific steps that Sienna followed in her research:

Develop a hypothesis: Sienna developed a hypothesis that plants move toward light.

Experiment Design: Sienna put one plant near the window and another in a dark room with a small opening that let light come through.

Data collection: Every few days she checked the plants and recorded the direction of their growth over a period of six weeks.

Data analysis: Sienna analyzed the data she collected to see if the plants grew in the direction of the light source, and if her hypothesis was supported.

Conclusion: Sienna drew a conclusion from her data analysis and determined whether her hypothesis was supported or not.

Communication: Sienna reported her findings in a scientific paper or presentation, communicating her results and conclusions to other scientists in her field.

Learn more about plants here: brainly.com/question/22167412

#SPJ4