If a man with hereditary hemochromatosis has children with a woman who is a carrier for the disorder, what is the expected risk pattern? a. daughters have a 50% risk for being affected; all sons will either be affected or carriers. b. each child of either gender has a 50% risk of being a carrier and a 50% risk of having the disease. c. all sons will be affected; all daughters will be carriers. d. each child of either gender has a 50% risk of being a carrier, a 25% risk of having the disease, and a 25% risk of neither being a carrier nor having the disease.