Question

Hemophilia is caused by an x-linked recessive allele if a man who has hemophilia marries a healthy woman who is not a carrier. what is the chance that their child will have hemophila?

Answer 1

Cross XhY with XHXH

Based on the Punnett square seen above, there will be no child with hemophilia. Instead, there will be a chance a child carries the affected X chromosome.