Sickle Cell Anaemia More Condition_sym Ptoms The Recessive Allele For Sickle Cell Anemia Is More Prevalent In Regions Of Africa Where Malaria Is....?

The recessive allele for sickle cell anemia is more prevalent in regions of Africa where malaria is....? - sickle cell anaemia more condition_sym ptoms

1. The allele for sickle cell anemia is more common in African regions where malaria is widespread, as in malaria-endemic areas. This may be attributable to:
a. heterozygote advantage
b. Founder effect
c. frequency-dependent selection
d. effect of the bottleneck
(please help im not sure about this answer. Thanks!)