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tino4ka555 [31]
3 years ago
12

why the frequency of sickle cell trait is so much higher in sub-Saharan Africa than in most other parts of the world?

Biology
1 answer:
Maksim231197 [3]3 years ago
3 0
Because they have less resources to fight off disease and nothing to use for immunity. Sub Sahara Africa is also very poor
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