Hemophilia A is an X-linked recessive disorder.What is the probability that a son will have hemophilia if the parents are a normal man and a woman who is a carrier?
A) 50%
B) 25%
C) 0%
D) 100%
E) 75%

Question

Quizplus · Accepted Answer

For sex-linked inheritance, the proportion of males who will receive a condition from their mothers can be seen from the proportion of recessive alleles carried by the mother.

Hemophilia a Is an X-Linked Recessive Disorder