Sickle cell anemia is a genetic disease of the blood. It is caused by a defect in one gene of a person. Genes are the elements in cells that carry the information that determines traits, such as hair or eye color. In sickle cell anemia, a defect in the gene controls how hemoglobin is made. This defect can be passed from parents to their children. Students explore the history of sickle cell anemia, the pioneering doctors who studied its cause, and...