Multiple Choice
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) heterozygous
B) homozygous dominant
C) homozygous recessive
D) both heterozygous and homozygous dominant
E) both homozygous dominant and homozygous recessive
Correct Answer:
Verified
Correct Answer:
Verified
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