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Alina [70]
3 years ago
6

Explain how a colorblind man and a colorblind woman can have a child with normal vision

Biology
1 answer:
Klio2033 [76]3 years ago
6 0
He first step in solving this problem requires an examination of the possible genotypes of the parents. As stated color-blindness is a recessive linked trait. So the genotypes of the parents should be:

<span>mother's genotype (normal vision but whose father was color blind) XNXn</span>

She is a carrier because of her heterozygous condition. For the recessive gene to be expressed one must be homozygous for it.

<span>father's genotype (color blind) XnY</span>

<span>
</span>

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