Multiple Choice
What is the decline in the occurrence of sickle cell anemia in the American population most likely the result of?
A) a lower mutation rate in the United States than in Africa
B) the advantage of both homozygous forms over the heterozygous form
C) the development of appropriate medical treatment for the sickle cell condition in the United States
D) a decline in the occurrence of malaria in the United States
Correct Answer:

Verified
Correct Answer:
Verified
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