The distribution of the genetic disorder called sickle cell anemia is correlated with the distribution of malaria in tropical countries. What is this an example of?

Question

Quizplus · Accepted Answer

This is an example of heterozygote advantage, where individuals who are heterozygous for the sickle cell trait have a survival advantage in areas where malaria is prevalent. They are less likely to suffer from severe effects of malaria compared to individuals without the trait, while also not suffering from the full effects of sickle cell anemia that homozygous individuals do.

The Distribution of the Genetic Disorder Called Sickle Cell Anemia