Reference no: EM132520605

If a man with sickle cell disease marries a woman with sickle cell trait and have children,

1. What is the chance that a child will have normal RBCs in both high- and low-oxygen environments?

2. What is the chance that a child will carry the HbS gene but not have sickle cell disease?

3. What are the chances that these parents will have three children who are homozygous for normal RBCs? (Show your work.)

4. What are the chances that these parents will have three children who have both normal and mutant hemoglobin beta chains? (Show your work.)