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kondor19780726 [428]
3 years ago
9

Why do you think the sickle cell allele is still common in tropical regions?

Physics
1 answer:
Ugo [173]3 years ago
8 0
Sickle-cell disease is common in tropical and sub-tropical regions because being a carrier, carrying a single sickle-cell mutation (sickle cell trait), affords some resistance to malaria.
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