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spin [16.1K]
3 years ago
12

Explain why it is impossible for a man to be a carrier of a sex-linked trait.

Biology
1 answer:
hoa [83]3 years ago
7 0

Answer:

Because it contains two different sex chromosomes

Explanation:

Man in its genome contains two sex chromosomes, X and Y, while woman contains two X chromosomes.

In order to be a carrier of a sex-linked trait, a person should have one copy (one allele) of a certain trait. For example, if a female has one X chromosome with mutation (e.g. disease carrying) and one normal X chromosome, she is carrier for the disease. But, on the other hand if a male has one X chromosome with mutation he will develop that disease.

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How does the digestive system interact with the rest of the body
Ainat [17]

Answer:

The Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. It Filters out waste from food and pushes it through intestines and out the body.

Explanation:

As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules. The body then absorbs these smaller molecules through the walls of the small intestine into the bloodstream, which delivers them to the rest of the body.

4 0
3 years ago
Read 2 more answers
How do fossils of extinct species provide evidence of how life on earth has changed?
Snowcat [4.5K]
They show how all creatures have adapted such as giant dinosaurs are now tiny lizards =D<span />
8 0
3 years ago
Hydrogen ions are important in the light-dependent reactions of photosynthesis because they produce a
Mnenie [13.5K]

Answer:

<u>a. the production of ATP</u>

<u />

Explanation:

Photosynthesis is type of biosynthesis that produces glucose from the reactants sunlight, carbon dioxide and water. It happens in two phases of the chloroplast, the light-dependent and light-independent reactions. In a light reaction that stimulates photosystems, pigments such as chlorophyll absorb light energy at specific wavelengths.  Here,

  • Light energy stimulates photosystem complexes formed from chlorophyll. Photosystem II then absorbs and transfers light to a reaction core.
  • Water undergoes hydrolysis or splitting to yield an electron, a proton (H+) and oxygen.
  • energy is passed along the electron transport chain, where it forms builds up H+ and an electrochemical gradient in the thylakoid space
  • These protons pass through the ATPase enzyme embedded within the membrane, into the stroma, generating ATP from ADP.
  • NADPH is generated from NADP+

8 0
3 years ago
Where does photosynthesis occur in the biosphere? Check all that apply. Sun wa in the Sun in producers in consumers Producers Wh
storchak [24]

Answer:

in producers & in comsumers

Explanation:

The reason this is the answer is because photosynthesis happens in producers then consumers eat the producers that photosynthesized

5 0
3 years ago
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Chromosome duplications and deletions frequently result in abnormal phenotypes or inviable gametes. Which factor is a major cont
kherson [118]

Chromosome duplications and deletions frequently result in abnormal phenotypes or inviable gametes. Gene dosage is modified is a major contributor to this phenomenon.

In the field of genetics, we can define gene dosage as the quantitative measure or copies of a particular gene that is present in an organism. Abnormalities in the gene dosage at a particular location can cause severe damage to the resulting phenotype.

Gene dosage can lead to chromosome duplications if the copy number or gene product is more and it can cause deletions if the copy number or gene product is less. Such complications will result in abnormal phenotypes or inviable gametes. For example, in Down's syndrome, the person has a modification of the 21st chromosome as there is one extra 21st chromosome present. This leads to a variety of diseases and defects in the person.

Although a part of your question is missing, you might be referring to this question:

Chromosome duplications and deletions frequently result in abnormal phenotypes or inviable gametes. Which factor is a major contributor to this phenomenon?

a. Recessive diseases are unmasked by additional copies.

b. The genes are found in a novel arrangement.

c. Gene dosage is modified.

To learn more about deletions, click here: brainly.com/question/2033407

#SPJ4

4 0
1 year ago
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