Question

A normal vision female whose father is colour blind marries a normal vision male. What would be the probability of her sons and daughter to be colour blind?
A) 25% sons colour blind and all daughters with phenotypically normal vision.
B) 50% sons colour blind and 50% daughter normal
C) 50% sons colour blind and 50% daughter colour blind
D) All sons normal and 50% colour blind daughter

Answer 1

50% chances are there whether their children are bilnd or not

Answer 2

B is the correct answer