Red- green color blindness is an X- linked recessive disorder. A woman with normal vision whose father was colorblind has children with a man with normal color vision. What is the probability that their first child will be colorblind?
A) 3/4
B) 1/4
C) 1
D) 1/2
E) 0

Question

Quizplus · Accepted Answer

The woman is a carrier (X^NX^n) and the man has normal vision (X^NY). The probability of their first child being colorblind is 1/4 (X^nY).

Red- Green Color Blindness Is an X- Linked Recessive Disorder