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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
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- may be colour blind or may be of normal vision
- must be colour blind
- must have normal colour vision
- will be partially colour blind since he is heterozygous for the colour blind mutant allele
Correct Option: A
Since the woman’s father was colour blind. She would be a carrier of the colour blindness gene. When she marries a colour blind man. Their progeny could be
