AIPMT Prelims 2004 Botany Sex-linked Inheritance MCQ Question with Solution

A normal woman, whose father was colour-blind is married to a normal man. The sons would be :-

A

50% colour-blind

B

All normal

C

All colour-blind

D

75% colour-blind

Correct Answer

Option B

Detailed Explanation

Color blindness is an X⁻linked recessive trait. The woman is a carrier, so 50% of her sons are expected to be color-blind.

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AIPMT PRELIMS 2004 Botany Sex-linked Inheritance MCQ Question