1. Explain why bone marrow damage affects leukocytes. 2. Explain why excessive bleeding occurs with aplastic anemia. 3. Explain why it is necessary to treat the bone marrow recipient with chemotherapy...

1. Explain why bone marrow damage affects leukocytes.

2. Explain why excessive bleeding occurs with aplastic anemia.

3. Explain why it is necessary to treat the bone marrow recipient with chemotherapy and radiation before transplant.

4. Why does a person with sickle cell disease manifest anemia?

5. Explain why vascular occlusions are common in patients with sickle cell disease.