Why does malaria persist in the human population?
A) Too few humans have died of malaria to end the disease.
B) Multiple phenotypes survive in a balanced polymorphism.
C) Malaria is a recessive disease and few humans contract it.
D) Humans are protected from the malaria parasite.
E) Malaria is under stabilizing selection. In an environment where malaria is present, the heterozygote is favored.

Question

Quizplus · Accepted Answer

Malaria persists because of a balanced polymorphism where multiple phenotypes, including those with sickle cell trait, have a survival advantage in malaria-endemic areas.

Why Does Malaria Persist in the Human Population