If a colorblind male marries a normal, homozygous female, what are the possible and phenotypes of the children

Question

Biology

Darby

9 January, 09:47

If a colorblind male marries a normal, homozygous female, what are the possible and phenotypes of the children

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Answers (1)

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Ann Berry · Answer 1

Colourblindness is X recessive!

so; colourblind male : X'Y

Normal homozygous female : XX

on crossing : outcomes are 2 X'X and 2 XY

so Genotypes are X'X, X'X, XY, XY

phenotypes are two Normal male child and two carrier female (heterozygous recessive)

IMP : None are colourblind!