Why is the sickle cell allele found at a high frequency in African human populations?

0 votes
    Heterozygote carriers of the allele are susceptible to malaria, which has historically been absent in Africa.
    Heterozygote carriers of the allele are resistant to malaria, which has historically been prevalent in Africa.
    Individuals with sickle cell anemia are susceptible to malaria, which has historically been absent in Africa.
    Individuals with sickle cell anemia are resistant to malaria, which has historically been prevalent in Africa.

asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
Heterozygote carriers of the allele are resistant to malaria, which has historically been prevalent in Africa.
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

Related questions




...