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QveST [7]
3 years ago
12

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

Biology
1 answer:
slavikrds [6]3 years ago
3 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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