Colorblindness Is More Common in Males Than in Females Because

Multiple Choice

Colorblindness is more common in males than in females because

A) males receive only one allele (on the X chromosome) for that gene for color vision.
B) females often do not experience the same gene-environment interactions as males.
C) the gene for colorblindness is on the Y chromosome.
D) the gene for red-green colorblindness is dominant.