If they have ________,human populations living in areas of endemic malaria have a selective advantage.
A)the allele for sickle-cell anemia
B)the H2 haplotype
C)the D32 mutation
D)smallpox

Question

Quizplus · Accepted Answer

Individuals with the sickle-cell trait are less likely to contract severe forms of malaria, providing a selective advantage in regions where malaria is prevalent. This is due to the fact that the sickle-shaped red blood cells caused by the sickle-cell allele make it more difficult for the malaria parasite to infect and multiply within red blood cells.

If They Have ________,Human Populations Living in Areas of Endemic