People with the disease known as sickle cell anemia are often better able to survive malaria. What is the cause of this?

Question

Quizplus · Accepted Answer

Heterozygote advantage explains why individuals who are carriers of the sickle cell trait (having one normal allele and one sickle cell allele) have a survival advantage in malaria-endemic areas. They are less likely to suffer from severe effects of malaria compared to individuals with two normal alleles, while also avoiding the severe symptoms of sickle cell anemia that affect individuals with two sickle cell alleles.

People with the Disease Known as Sickle Cell Anemia Are