Which of these best represents natural selection?
A) Recessive albinism is more common among the Hopi of Arizona than in the general population of the U.S.
B) A gradual change in specific human mitochondrial DNA sequences occurs along the Nile river in Egypt.
C) ABO blood type frequencies are similar in northern Africa,southern Spain,and the middle east.
D) Lactose tolerant alleles are very prevalent in herding populations that drink milk as a staple.
Correct Answer:
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Q27: _ in the human population reduced the
Q28: The population of HIV variants in a
Q29: Natural selection can alter gene frequencies in
Q30: Natural selection has fueled the rise in
Q31: Which of these affects allele frequencies the
Q33: In _,people with a serious genetic disorder
Q34: The frequency of the allele that causes
Q35: Mutation differs from other sources of genetic
Q36: Control of human reproduction to achieve a
Q37: _ in the mycobacterium tuberculosis population reduced
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