Normal red blood cells are due to a dominant gene (b); sickle cell anemia to its recessive allele (b). In this problem a person who is a carrier of sickle cell anemia is considered to have normal red blood cells. A normal man whos father had sickle cell anemia marries a woman with the disease. Both of the womens parents are normal. The man and woman have three children, two normal, and one with sickle cell anemia. List the geno types of all of these persons.