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Eamcet Zoology
2 nd Year Unit - 2 Genetics And Evolution - Evolution

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With respect to the alleles for sickle cell anemia, which genotype(s) is (are) at a disadvantage to persons residing in tropical areas of Africa?

A. homozygous recessive

B. homozygous dominant

C. heterozygous

D. both heterozygous and homozygous dominant

E. None of the above

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Correct choice: A

Explanation:

none

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Eamcet Zoology 2 nd Year Unit - 2 Genetics And Evolution - Evolution

Eamcet Zoology
2 nd Year Unit - 2 Genetics And Evolution - Evolution