Why do males express certain sex-linked traits that females don't?

Answers

Answer 1

Answer: A male with a mutation in a gene on the X chromosome is typically affected with the condition. Because females have two copies of the X chromosome and males have only one X chromosome, X-linked recessive diseases are more common among males than females.

Explanation:


Related Questions

Over time, how will the distribution of matter in a galaxy cluster change?

Answers

Answer:

Galaxies are in clusters and over time those clusters will join and make more, and soon they will part into their own and probably join a different one. That may sound a little confusing to some but it's quite simple. My mom explained it to me like friends, you meet some people and become friends and then sometimes you will drift away and make new friends.

Galaxies are in clusters and over time those clusters will join and make more, and soon they will part into their own and probably join a different one. That may sound a little confusing to some but it's quite simple.

What is solar system?

The solar system is defined as a system which is gravitationaly bound of the sun and orbit is occupied by object. The formation of solar system takes place 4.6 billion years ago and this happens due to gravitational collapse of a giant molecular cloud.

The most and wast majority of the systems mass in the sun and other part of mass contained by the planet jupiter. The solar system contain total 8 planet in which 146 moon, asteroid and space rocks, a number of dwarf planet such as pluto and Italian astronomer Galileo Galilei discovers solar system.

Therefore, Galaxies are in clusters and over time those clusters will join and make more, and soon they will part into their own and probably join a different one. That may sound a little confusing to some but it's quite simple.

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indicate FOUR
reasons why you think having it may enhance responsible living in your environment

Answers

Answer:

Can you please elaborate on ur question??

: d

Please elaborate on question.

Which of these describes a nebula

Answers

Answer:

A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form. For this reason, some nebulae are called "star nurseries."

Explanation:

Big cats like tigers and other carnivores are often the top predators in an ecosystem. To which trophic level do they most likely belong?
primary producers
decomposers
tertiary consumers
primary consumers

Answers

Tertiary consumers.

Explanation:
DECOMPOSERS break down dead organic matter.
PRIMARY PRODUCERS produce their own food. For example, plants make their own food from the sun during photosynthesis
PRIMARY CONSUMERS are those who eat other living things like PLANTS. Primary consumers are herbivores.

THE ANSWER IS:
Tertiary Consumers
Top predators that are carnivores and are large animals. Also called as A p e x Predators.

MARK ME BRAINLEST tysm

Big cats like tigers and other carnivores are often the to predators in an ecosystem. The trophic level do they most likely belong to is tertiary consumers. Thus, the correct option will be C.

What are Tertiary consumers?

Tertiary consumers can be referred to as the carnivore at the topmost level in a food chain which feeds on other carnivores in nature, which is an animal that feeds only on secondary consumers.

Tertiary consumers are those organisms that eats the secondary consumers (large predators) in nature. For example, owl species that eat snakes.

Big cats like tigers and other carnivores are often the to predators in an ecosystem. The trophic level do they most likely belong to is tertiary consumers.

Therefore, the correct option will be C.

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Would you mind answering this one

Which fact supports the conclusion that it is important for handlers to perform regular visual inspections of livestock?

O Some diseases that affect animals can be passed on to humans.

O Viral diseases are often spread through the air and on surfaces.

O Extemal parasites can cause serious infections if left untreated.

O Bacterial infections are often caused by unsanitary environments.



please help quick

Answers

Answer:

O Extemal parasites can cause serious infections if left untreated.

Drag a number and symbol to represent the amount of time Carl worked on problems.

___ ___ ____


Answers

Answer:

25 - m

Explanation:

If Carl worked m less than 25, 25 - m would represent the amount of time Davis worked minus the difference in the amount of time that he and Carl worked, which would equal the amount of time Carl worked.

1.If rTMS is deemed a success, this treatment could be applied to other disorders by doing what?
2.Your aunt has Parkinson's. Which of the following treatments is most likely to help her?

Answers

Answer: B

Explanation:

1) If rTMS is deemed a success, it could be applied to other disorders by;

Option C; Increasing activity in the brain region involved.

2) The treatment most likely to help your aunt who has parkinson's is;

Option B; DBS

       1) rTMS is an acronym that means repetitive transcranial magnetic stimulation. The way it is used is that a coil is held above a part of the brain and recurring high magnetic pulses are targeted at specific brain structures.

This means that the activity of the region of the brain involved is stimulated.

Thus, when applied to other disorders, it could also be a success by increasing the activity in the brain region that is involved.

      2) Parkinson's disease is a neurological movement disorder. Now the best way to treat it is to transmit electrical impulses to a specific area of the brain that is responsible for the movement/motor symptoms that Parkinson's disease caused. This is done because electrical impulses interrupt the abnormal activity that occurs in the brain's circuitry which causes the symptoms of the Parkinson's' disease.

The treatment that goes through this process is called Deep Brain Simulation (DBS)

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3 reasons why nuclear fusion energy could save the world from climate disaster

Answers

Answer:

-Its hydrogen-like fuel is available in virtually limitless quantities

-it produces no greenhouse gases

- no long-term radioactive waste and carries no risk of meltdown


Which will form an ionic bond?
A. Two oxygen atoms
B. Two oppositely-charged ions
Ο Ο Ο
C. Any two neutral atoms
D. Two negative ions

Answers

Hey Mate Here Is Your Answer

Option B- Two Oppositely-Charged Ions

Hope This Helps You ❤️

The owners of a local bakery ask for your help in improving a special yeast strain they use to make bread. They would like you to help them design experiments using RNA interference to turn off genes, to allow them to test their hypothesis that certain genes are important for the good flavors found in their bread. Of the components in the following list, which is the most important to check for in this yeast strain if you would like this project to succeed?

a. the presence of foreign double-stranded RNA
b. the presence of genes in the genome that code for RISC proteins
c. the presence of miRNA genes in the genome
d. the presence of single-stranded siRNAs within the cell

Answers

Answer:

b. the presence of genes in the genome that code for RISC proteins

Explanation:

The RNA interference (RNAi) mechanism is a naturally occurring pathway by which eukaryotic cells can silence specific genes both at the transcriptional (eg., by triggering DNA methylation on specific loci) and posttranscriptional (e.g., by triggering mRNA degradation) levels. This mechanism (RNAi) is widely used in molecular biology laboratories in order to silence genes and thus understand their functions. During the RNAi pathway, double-stranded RNAs (dsRNAs) are cleaved into small double-stranded RNA (dsRNA) molecules known as small interfering RNAs (siRNAs) or microRNAs (miRNAs) by an enzyme referred to as "Dicer". Subsequently, these small non-coding RNAs bind to an enzymatic complex known as RNA-induced silencing complex (RISC) that contains a ribonuclease enzyme, i.e., an enzyme that degrades RNA. Finally, the small non-coding RNA (either siRNAs or miRNAs) that are complementary to the RNA target directs the RISC complex to bind and cleave specific mRNAs, thereby silencing gene expression (in this case, by the inhibition of protein translation).

4) A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio. Choose all the statements that apply to this molecule. A) The molecule is an enzyme. B) The molecule is likely a sugar. C) The molecule is likely a carbohydrate. D) The molecule is produced during photosynthesis. E) The molecule comprises the largest component of the cell membrane.

Answers

B, C, and D.

Ring shaped compound with carbon, hydrogen, oxygen in 1:2:1 ratio is certainly a sugar molecule. Sugars are carbs. Sugars are made in photosynthesis.

A small, cold creek flows through a dense forest. The trees line the banks of the creek providing shade most of the day. Algae grow well only in a few areas of the creek that receive direct sunlight. Most of the food energy enters the ecosystem in the form of dead leaves that fall from the trees. A fire swept through the forest, burning all the leaves, but leaving the trees standing. This increased the amount of direct sunlight reaching the creek.
As a result of the fire, what increased in the creek? What type of succession will occur to open new available niches and resources?

Answers

I don’t know the second part, but algae growth will increase as a result of the fire

Succession is the series of changes in an environment which results into making the environment more favorable for the organisms to live in. Pioneer species in the succession after fire will be lichens, fungi, and bacteria.

What is Ecological Succession?

Ecological Succession is the process by which the species and habitat in an area changes over time. Succession is of two types depending upon the condition of the area which are Primary Succession and Secondary Succession. Primary succession is the succession in the area where no organism ever existed whereas secondary succession is the succession in the area where life has existed once but it has been destroyed due to catastrophic activity.

The pioneer species in this area are lichen, fungi, and bacteria. The establishment of organisms in a primary succession starts with the rocks or lava flow that has been hardened, then lichen goes on to the rocks and spews acid which dissolves the rock.

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HELP!! 20 POINTS!!
Why is it more difficult for top carnivores to obtain sufficient energy resources than it is for animals lower on the food chain?

Answers

the trophic pyramid is the reason

what the trophic pyramid is:  Trophic pyramid, also called an energy pyramid, showing the progression of food energy. The pyramid base contains producers, organisms that make their own food from inorganic substances. All other organisms in the pyramid are consumers

- predators get little energy from the prey they eat so they must consume multiple prey

It is more difficult for top carnivores to obtain sufficient energy resources than it is for animals lower on the food chain because the higher trophic levels have less energy than the lower ones.

The trophic levels of food chain

The food chain is defined as a feeding pathway that consists of similar organisms that are placed in the same trophic levels.

Trophic levels in a food chain are those levels that is occupied by a group of organisms that have a similar feeding mode.

The plants which are the producers are at the lower trophic level while the carnivores are at the higher trophic levels.

The carnivores eats meat from other animals but not plant or plant products which obtain direct energy from sunlight.

Therefore, It is more difficult for top carnivores to obtain sufficient energy resources than it is for animals lower on the food chain because the higher trophic levels have less energy than the lower ones.

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What is meant by "nutrient limitation

Answers

Answer:

meaningful additions of an essential element

Explanation:

Nutrient limitation occurs when meaningful additions of an essential element in additions of an essential element in biologically available forms cause an increase in the rate of a biological process (such as primary productivity) and/or in the size of an important ecosystem compartment (such as bi ) biomass).

Nutrient limitation occurs when meaningful additions of an essential element in additions of an essential element in biologically available forms cause an increase in the rate of a biological process (such as primary productivity) and/or in the size of an important ecosystem compartment (such as bi ) biomass).

The simplest nervous systems are called....

Answers

The simplest nervous systems are called [tex]\sf\purple{nerve \:nets}[/tex].

More:-This type of nervous system is found in [tex]\sf\red{hydras}[/tex] and [tex]\sf\blue{jellyfish}[/tex] (cnidarians).Nerve nets do not have a distinct central or peripheral regions, and lack anything that resembles a brain.

[tex]\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘[/tex]

Please transcribe the following strand of DNA: TACATTCGAGGCATT*

Answers

Answer:

Explanation:

DNA strand:

ATGTAAGCTCCGTAA

I hope this makes sense on how to transcribe a DNA strand. At first, it may seem hard on how to do this but if you practice transcribing a strand you will fully understand it. To remember what goes with what it is that adenine is pair with thymine while guanine is pair with cytosine. I hope this makes sense and I wish you the best in your science class.

7 examples of RNA and DNA ​

Answers


Rotavirus, polio virus, yellow fever virus, dengue virus, hepatitis C virus, measles virus, rabies virus, influenza virus and Ebola virus are examples of RNA virus.

Adenovirus, herpes virus, poxvirus and papillomavirus are examples of DNA virus.

an example of evolution would be

Answers

caterpillar to a butterfly
Deer mice used to be a darker color when they primarily lived in the woods. However, a portion of the population split away several thousand years and now are lighter having evolved over thousands of years to match there surroundings.
Hope this example helps

PLEASE HELP IF YOU KNOW ABT PUNNETT SQUARES!!! Mendel conducted a cross between purebred organisms. Use a punnett square to show a cross between a purebred pea plant with yellow seeds and a purebred pea plant with green seeds. What would be all of the possible genotypes of all the offspring?
A. 100% yy
B. 100% Yy
C. 50% Yy and 50% yy
D. 75% Yy and 25% yy​

Answers

Answer:

B

Explanation:

I assume the plants with the yellow seeds are dominate (YY) , while the ones with green seeds are recessive (yy) (Since it would need to be recessive to be a different color than the dominate). The genes will always be heterozygous then, since it combines the genes from both parents.

What happens to excess fatty acids and glycerol in the body?​

Answers

Answer:

This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis directly enters the glycolysis pathway as DHAP.

Explanation:

hope this helps, have a great day/night

Most of the constellation were discovered by_____

please help me ​

Answers

Answer:

Ptolemy: 48 constellations described in his great work, The Almagest, in the 2nd century AD.

...

The 88 Constellations recognized by the International Astronomical Union.

Which of the following likely has the largest particle size?
A.
parent material
B.
subsoil
C.
topsoil
D.
humus

Answers

Answer: A.

Explanation:

Parent material

difference between antigens and antibodies?​

Answers

Answer:

Antigens are molecules capable of stimulating an immune response. Each antigen has distinct surface features, or epitopes, resulting in specific responses. Antibodies (immunoglobins) are Y-shaped proteins produced by B cells of the immune system in response to exposure to antigens.

Explanation:

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hopes this helps

in some flowers, red and white color is codominant. Flowers and be red ( RR), white (rr) or pink (Rr) if two pink flowers are crossed! what percentage of the offspring will also be pink ?

Answers

Answer:

50%

Explanation:

If you do a punnet square you get 1 RR: 2 Rr: 1rr

Why is she keeping the dead animals?

Answers

Answer: i dont know

Explanation: maybe there is something very special about it

In the United States, there has been an increase in the number of people infected by mosquito spread diseases that were previously found only in countries
south of the United States. Scientists want to investigate the cause of the increase in mosquito-bome diseases. Scientists have predicted that the mosquitos
carrying disease have moved further north as global temperatures have increased. Which information would be most useful to their investigation?
O A. Meteorologists' annual temperatures of all the major cities in the US for the last ten years.
O B. Population data from the CDC that ranges over several years for mosquitoes that spread disease.
o
C. A report from the Center for Disease Control (CDC) of mosquito spread diseases and their symptoms.
OD. A collection of test results for different vaccines used to prevent mosquito carriab diseases.

Answers

the answer would be c

Answer:

b

Explanation:

PLS HELP!! ASAP DUE TONIGHT!!

The saturated fats of animals differ from the unsaturated ones of plants. Unsaturated fats have

A. higher molecular weights.

B. more metabolic processes that they participate in.

C. nitrogen atoms in their structures.

D. a higher number of double bonds between carbon atoms in their structures.

E. more functional utility in animal species, particularly in marine life forms.

Answers

Answer:

D. a higher number of double bonds between carbon atoms in their structures.

Explanation:

Studies show that exposure to toxic environments as a child __________.
A)
may have lasting health effects
B)
contributes to deliquent behavior risks
C)
may not show any effect until adulthood
D)
increases in the risk of certain childhood disorders
E)
all of the above

Answers

Answer:

E) All of the above

Hope this helps!

--Applepi101

Answer:

All of the above

Explanation:

All of these are major effects for children, if they get exposed to toxic enviornment these are all possible effects.

What is the hallmark of a chemical change?

Answers

There are five signs that indicate a chemical reaction has occurred: odor, energy change, gas bubbles, precipitate formation, and color change. When any of these changes occur, the reaction is irreversible and cannot be undone.

I’m not sure if the answer

Answers

the answer would be acids
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