3 years ago

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

1 answer:

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

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