Principle-Of-Inheritance-And-Variation Question 661

Question: A normal woman, whose father was colour-blind is married to a normal man. The sons would be [CBSE PMT 2004; MH CET 2004]

Options:

A) All normal

B) All colour-blind

C) 75% colour-blind

D) 50% colour-blind

Show Answer

Answer:

Correct Answer: D

Solution:

Genotype of normal man - XY Genotype of woman - XcX