What proportion of their sons would be color-blind and of normal height?
A)All
B)None
C)Half
D)One out of four
E)Three out of four

Question

Quizplus · Accepted Answer

Color blindness is a sex-linked recessive trait, typically carried on the X chromosome. If the mother is a carrier and the father is normal, half of their sons would be color-blind. Height is not linked to the X chromosome, so it does not affect this proportion.

What Proportion of Their Sons Would Be Color-Blind and of Normal