Two short-haired guinea pigs are mated several times. Out of 100 offspring, 25 of them have long hair. What are the probable genotypes of the parents? Show the Punnett Square to prove it.
Answers
Answer:
Ss (male) × Ss (female)
Explanation:
This question involves a single gene coding for hair length in guinea pigs. Based on the information in this question, the allele for short hair (S) is dominant over the allele for long hair (s). This means that a guinea pig will only be phenotypically long-haired if the genotype is "ss".
According to this question, Two short-haired guinea pigs are mated several times. Out of the 100 offsprings produced by this cross, 25 of them have long hair (recessive). This means that the phenotypic ratio of this cross is 3 short hair : 1 long hair i.e. 100 - 25 = 75 short hair. 75/25 = 3/1 = 3:1
To produce this phenotypic ratio, the parents must both be heterozygous (Ss) for the hair length gene.
Related Questions
What is an electromagnetic wave?
Please helppp
Answers
The answer to your question is C
A genetic disorder is caused by a mutation on DNA.
A. True
B. False
Answers
Answer:
True
Explanation:
Genetic disorders can be caused by a mutation in one gene(monogenic disorder) by mutations in multiple genes
Use the image below to explain protein synthesis and the steps of transcription and translation. Hint: Use the numbers 3-11 to guide your explanation.
Answers
Answer:
Protein synthesis is the process in which cells make proteins.It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. After a polypeptide chain is synthesized, it may undergo additional processing to form the finished protein.
Explanation:
I hope this helps.
In a deciduous forest of Maine, there are 300 Falcons living in a certain region at the beginning of the year. Scientists have determined that these Falcons demonstrate exponential growth and that their per capita growth rate is 0.067. What will the population of Falcons be in 5 years?
Answers
Answer:
419 Falcons
Explanation:
P= Poe^rt
P= population at time t = ?
Po = initial population = 300
r= growth rate = 0.067
t = time taken = 5 years
P = 300e^(0.067 * 5)
P = 419 Falcons
in recent years much of califorinia has had drought conditions much of our food comes from califorinia and there are many growing cities in that state what do you think has happened to the ground water supply as droughts have occured there explain how a diversion system could be useful califorinia including the parts of such a system
Answers
Answer:
The level of ground water decreases.
Explanation:
Due to drought condition, the level of ground water decreases because of pumping of water for the irrigation purpose. Huge amount of water is required to irrigate a large area of California and in the drought conditions ground water is the only solution for this problem. The diversion system will be useful California by diverging river into these drought affected areas in order to fulfill the need of water for growing crops so we can conclude that this diversion system helps to fulfill the necessity of water during drought situation.
Question 5 of 10
A child has learned to speak but is not able to understand the rules of a
game. He is likely in the stage.
A. preoperational
B. concrete operations
C. formal operations
D. sensorimotor
SUBMIT
Answers
Answer:
A) preoperational stage
Explanation:
Kevelyn dreams that 12 monkeys are dancing in a circle around her while she sits on a stool and eats a banana. This description of Kevelyn’s dream contains _________ content.
A. transference
B. latent
C. lucid
D. manifest
Answers
The subconscious psychological meaning of a dream is its latent substance. This symbolically veiled content may be painful or traumatic. Therefore, option (B) is correct.
What is latent content of dream?In Freudian dream analysis, content refers to both the Latent and manifest elements of a dream, or both the overt meaning of the dream and the dream as it is remembered. Dreams represent the uncontrollable mental events that occur during various stages of sleep.
The hidden psychological significance of a dream is its latent content. Because it could be distressing or traumatic, this content frequently makes symbolic appearances in disguise and contains things that are hidden from conscious awareness.
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The figure above depicts the DNA-protein complex that is assembled at the transcriptional start site of gene X when the expression of gene X is activated in liver cells. Previous studies have shown th gene X is never expressed in nerve cells. Based on the diagram, which of the following most likely contributes to the specific expression pattern of gene X?
A.Expression of gene X produces large amounts of tRNA but undetectable amounts of mRNA.
B The general transcription factors inhibit the activation of gene X in liver cells by blocking the activator from binding to RNA polymerase II.
С The activator is a sequence-specific DNA-binding protein that is present in some tissues but not in other tissues.
D The enhancer is a unique DNA segment that is added to the nuclear DNA of some cells of an organism during the process of mitotic cell division but not other cells.
Answers
Answer:
C
Explanation:
The activator is a sequence-specific DNA-binding protein that is present in some tissues but not in other tissues. The correct option is C.
What is gene expression?Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.
Because a particular protein can only be made when its gene is turned on, gene expression is significant.
However, there are several steps involved in translating a gene into a protein, and one of these steps—the creation of proteins—is crucial in the gene expression pathway that can be changed in cancer.
According to the diagram, the activator is a DNA-binding protein that only binds to certain sequences in select tissues.
Thus, the correct option is C.
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Your question seems incomplete, the missing image is:
Someone who has anorexia nervosa may hide weight loss by wearing loose clothing. Please select the best answer from the choices provided
true
false
Answers
Anorexia nervosa patient may hide weight loss by wearing loose clothing.
What is anorexia nervosa?
It is an eating disorder characterized by an abnormally low body weight, an intense fear of gaining weight and a distorted perception of weight. People with anorexia place a high value on controlling their weight and shape, using extreme efforts that tend to significantly interfere with their lives.
This statement is true that anorexia nervosa may hide weight loss by wearing loose clothing.
Hence, option A is correct.
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I NEED SOME HELP...
What are ions
14 points if you answer this
Answers
Answer:
Ions are an atom or group of atoms that either has a positive or negative charge. An ion with a negative charge is called an anion and one with a positive charge is a cation.
Hope this helps :)
Coal and oil are examples of
resources.
O non-natural
O non-efficient
O non-polluting
O non-renewable
Answers
They are called fossil fuels, were formed within the earth from dead plants and animals over millions of years
DNA polymerase only travels in the__________to________direction.
Answers
Answer:One Direction
DNA Polymerase Only Moves in One Direction
Explanation:
After a primer is synthesized on a strand of DNA and the DNA strands unwind, synthesis and elongation can proceed in only one direction. As previously mentioned, DNA polymerase can only add to the 3' end, so the 5' end of the primer remains unaltered.
When the computer you are working on uses energy it also produces waste energy. What type of energy is this waste energy
Answers
Answer:
Chemical energy
Explanation:
I just took the exam!!
Hope this helps!!
Have a blessed day/night <333
The relationship between the remora and the shark is an example of
Answers
Answer:
Additional Information: Mutualism is the relationship where both organisms get positive results from it. An example of mutualism is the relationship between remora and shark.When one organism lives on another organism, that type of symbiotic relationship is called parasitism.
Write the energy transformation for what happens when we eat a plant.
Answers
PLISSSSS HEEEEELP
Project: Abusive Relationship Resources.
Abusive relation ship resources Click the links to open the resources below. These resources will help you complete the assignment. Once you have created your file(s) and are ready to upload your assignment, click the Add Files button below and select each file from your desktop or network folder. Upload each file separately.
Your work will not be submitted to your teacher until you click Submit.
Answers
please help >:((((
Your stomach is growling and your mouth is dry. You just remembered you skipped lunch today. After school you go to the fridge, eat an apple and drink some milk. A. What is the imbalance? B. How did the systems work together to correct the imbalance? C. What is the importance of the circulatory system in the case studies?
Answers
Answer:
C. What is the importance of the circulatory system in the case studies?
Explanation:
Will using Whole Milk instead of using low
fat milk make a difference in making cheese? if so,
how?
Answers
Answer:
Yes there will be a slight difference in texture but ultimately it is a acceptable substitution. Just make sure to look at the recipe. It depends on how much fat and moisture that milk is contributing to the overall batter or food
Do you think that plants can get the building materials they need to grow from soil wateror air? Which ones? Explain your answer
Answers
True or false: Predators of one species can never be prey to another species.
A. True
B. False
Answers
That is false.
Ex: a tuna might eat a smaller fish but it can be eaten by a bear
Help me please I will mark please thank you
Answers
Answer:
I'm pretty sure it's "video games can inspire students to not give up when they do poorly"
PLEASE HELP ME
I WILL GIVE YOU BRAINLIEST
Answers
Answer:
the following picture attached will help you
Explanation:
DNA makes RNA makes proteins
it starts with the relpication process above it, it will be DNA then it does a transcription process to mRNA(RNA) and then the last process called translation process into Proteins....
Hope this helps!!!
What is the main difference between the intertidal zone and the neritic zone?
the amount of exposure to sunlight
the amount of salt in the water
the amount of time covered by water
the presence of plants and animals
Answers
Answer:
intertidal zone is the area of shore between the high tide and low tide lines whereas neritic zone is the area of the ocean from the low tide line out to the continental shelf.
The main difference between the intertidal zone and the neritic zone is the amount of time covered by water.
What is intertidal zone and the neritic zone?The intertidal zone is the area of the shoreline that is regularly exposed to air at low tide and submerged at high tide. This area is characterized by its exposure to fluctuations in water level, temperature, and salinity, and is home to a diverse range of organisms that have adapted to these conditions.
The neritic zone, on the other hand, is the shallow ocean water over the continental shelf, extending from the low tide mark to a depth of about 200 meters. Unlike the intertidal zone, the neritic zone is always covered by water and is characterized by relatively stable physical conditions, including a relatively constant temperature and salinity.
While the amount of exposure to sunlight can vary in both the intertidal and neritic zones, the main difference between these two habitats is the amount of time covered by water and the resulting stability of environmental conditions.
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water in plants can be lost through what
Answers
Answer:
transpirationExplanation:
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism. The remaining 97–99.5% is lost by transpiration and guttation.
I hope my answer will help you keep safeThe American Black Bear lives in many parts of North America. A black bear in Colorado might hibernate for three or more months in the winter, while a black bear in Florida may hibernate for only a few weeks, or not at all. Which statement best explain why?
A. Florida black bears are a different species from Colorado black bears.
B. Florida black bears hibernate less because their climate is not as cold.
C. Florida black bears have less territory and cannot risk a long hibernation.
D. Florida black bears eat different food from bears in Colorado and need less rest.
Answers
describe the structure of an atom of argon-38 and argon-40
Answers
Answer:
Argon 38 has 18 proton and 20 neutron
Argon 40 has 18 proton and 22 neutron
Explanation:
isotope is same no of proton diff no of neutron
Both argon-38 and argon-40 have 18 protons but they have different atomic masses. The atomic mass of argon-38 is 38u while the atomic mass of argon-40 is 40u. Thus, they are isotopes.
What are isotopes? Some atoms contain the same number of protons (i.e. same atomic number) but they have a different number of neutrons (i.e. different mass numbers). These types of atoms are called isotopes.Argon element has three isotopes namely, argon-36, argon-38 and argon-40. All the three isotopes of argon have the same number of protons i.e. 18. But, all have different numbers of neutrons and thus, different mass numbers. Argon-36 has 18 neutrons, argon-38 has 20 neutrons and argon-40 has 22 neutrons. Thus, the mass numbers of argon-36, argon-38 and argon-40 are 36u, 38u and 40u respectively.Thus, the structure of an atom of argon-38 and argon-40 is slightly different as they are isotopes. Argon 40 has more atomic mass than argon-38. But, both contain the same number of protons. They have similar chemical properties but different physical properties.
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How does tRNA determine the correct sequence in which to assemble the amino acids?
Answers
sequence of nitrogenous bases in DNA determines the order in which tRNA gets attached to mRNA
HOPE THIS HELPS
Which part of the cell is the site of chemical reactions responsible for metabolism
a, Ribosome
b,Cytoplasm
c,Golgi Apparatus
d,Endoplasmic reticulum
Answers
Answer:
None of those... the Mitochondria
Explanation:
Help please :)))) ...............
Answers
Answer:
domain, kingdom, phylum, Class, Order, Family, Genus, Species
Explanation:
Please help meeeeee???
Answers
Answer:
The one you chose is correct-
That is, assuming that the yellow one is the one you chose.