What Is the Connection Between Sickle-Cell Anemia and Malaria

Multiple Choice

What is the connection between sickle-cell anemia and malaria?

A) Both are X-linked.
B) Both are autosomal recessive.
C) Both are dominant.
D) Heterozygotes for malaria have some resistance to sickle-cell anemia.
E) Heterozygotes for sickle-cell anemia have some resistance to malaria.