Multiple Choice
In regions where malaria is prevalent, individuals who are _____ have a selective advantage.
A) heterozygous for the S (sickling) allele
B) homozygous for the S (sickling) allele
C) homozygous for the A (nonmutant) allele
D) None of the answer options is correct.
Correct Answer:

Verified
Correct Answer:
Verified
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