1) A man with hemophilia X linked, recessive disease) has a child with a woman who does not have hemophilia, but whose father has the disease. If they have a son, what is the chance that he will have the disease? If they have a daughter, what is the chance that she will have the disease?
2) A man has a defect in his Y chromosome that prevents him from producing sperm. His wife has no history of similar defects in her family. Is this couple likely to have children with this defect? Explain.