Color-blindness is inherited as an X-linked recessive trait. A male who is color-blind marries a heterozygous woman. What percent of their total children will be color-blind?

A) 0%
B) 25%
C) 50%
D) 75%
E) 100%

X-linked Recessive

An X-linked recessive trait is a mode of genetic inheritance by which a mutation in a gene on the X chromosome causes the phenotype to be expressed in males and in females who are homozygous for the gene mutation.

Color-blindness

A genetic condition where an individual's perception of colors is different from normal due to the lack of or malfunction of certain color-detecting molecules in the eyes.

Heterozygous

Possessing unlike alleles for a particular trait.