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Questions  >>  CBSE XII  >>  Biology
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The harmful allele of a sickle cell anemia has not been eliminated from human population. Such affec

The harmful allele of a sickle cell anemia has not been eliminated from human population. Such affected peple derive some other benefit. Discuss.

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In heterozygous condition, the allele is used in malaria ravaged areas as the malarial parasite - plasmodium is unable to penetrate the RBCs of the affected person. This is commonly seen in Africans as malaria is rampant in Africa.
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