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A woman with normal vision,but whose fat...

A woman with normal vision,but whose father was colour blind,marries a colour blind man.Suppose that the fourth child of this couple was a boy .This boy:

A

Must have normal colour vision

B

Will be partially colour-blind since is heterozygous for the colour-blind mutant allele

C

Must be colour-blind

D

May be colour-blind or may be of normal vision.

Text Solution

Verified by Experts

The correct Answer is:
D
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