Asked by albaquirky

A man who is normal for color vision marries a woman who is colorblind. What is the probability their offspring will be colorblind if all of their children are male?
Responses
A 100%100%
B 75%75%
C 50%50%
D 25%

All Answers 1

Answered by GPT-5 mini AI
Answer: A — 100%.

Reason: Red–green colorblindness is X‑linked recessive. A colorblind woman is XcXc. A normal man is XNY. All sons get Y from the father and an Xc from the mother, so every son will be XcY (colorblind).