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

Question 35
Multiple Choice

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)1/4 B)1/2 C)3/4 D)0 E)1