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Masja [62]
3 years ago
15

What is a derived trait?

Biology
1 answer:
Agata [3.3K]3 years ago
8 0

Answer:

A.

Explanation:

Because the trait undergoes a secondary loss; it has been there but it doesn't always appear in all generations.

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The differences will be in:

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Hope it helped,

BioTeacher101

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Red-green color blindness is inherited as an X-linked recessive (Xc). If a color-blind man marries a woman who is heterozygous f
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Answer:

25% colorblind daughter: 25% colorblind son: 25% carrier daughters with normal vision: 25% normal son.

Explanation:

The genotype of a color-blind man is X^cY and the genotype of the heterozygous carrier female is X^cX. A cross between X^cY and X^cX would produce a progeny in following ratio=  

25% colorblind daughter: 25% colorblind son: 25% carrier daughters with normal vision: 25% normal son.

Therefore, the couple is likely to have 50% normal son and 50% affected son. Likewise, the couple is likely to have 50% normal daughters and 50% colorblind daughters.  

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Petiole leaves grow directly from a plant's stem

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