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rusak2 [61]
3 years ago
13

Given what you know about the selective pressures associated with malaria and sickle-cell anemia in the tropical areas of sub-Sa

haran Africa, is there evidence of selection operating in this population? If so, which genotype appears to be favored? Explain.
Biology
1 answer:
julsineya [31]3 years ago
8 0

Answer

HBA HBs

Explanation:

In some parts of Africa, up to 20% of the population are carriers of the sickle cell gene. This suggests that the trait must have a survival value. The carriers of the trait have a much lower susceptibility to malaria than normal individuals. This is because the malaria parasite survives very poorly in sickled red blood cells.

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