NEET Biology question

Biology Principles of Inheritance and Variation NEET

If a man who is colourblind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

A colourblind man () contributes only his Y-chromosome to his sons; the sons' X-chromosome comes entirely from the homozygous normal

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Question ID VK-119609