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DochEvi [55]
3 years ago
9

Which of the following is generally true of an X-linked recessive pedigree?

Biology
1 answer:
Alexandra [31]3 years ago
8 0

Answer:

Option (A).

Explanation:

The inherited disorders have been classified into the autosomal disorders and sex linked disorders. These disorders have been further classified into the dominant and recessive disorder.

The X linked recessive pedigree means that the trait will skip the generation. The disease is passed down from mothers to their sons and male are more affected than female. The heterozygous female acts as a carrier for the X linked recessive trait. The female should be homozygous recessive or have both the X chromosome affected to show the trait.

Thus, the correct answer is option (A).

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Answer:

Emulsifier generally reduces the surface tension of the lipid  there by helping in the digestion of the lipid molecules.

Explanation:

Bile that is secreted from liver act as emulsifier because the bile helps in the break down of lipid into small molecules to form micelle thereby reducing the surface tension of the lipid molecules.

                  Due the formation of micelle the broken down lipid molecules binds to the active site of the lipase enzyme and get digested to form fatty acid and glycerol.

           Beside digestion Emulsifier Bile also helps in the absoption of lipid from the small intestine.

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An unknown chemical is analyzed and found to contain the bases thymine and guanine. This chemical is most likely tRNA. mRNA. DNA
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