問題詳情
23. The frequency of heterozygosity for the sickle cell anemia allele is unusually high, presumably because thisreduces the frequency of malaria. Such a relationship is related to which of the following?
(A) Mendel's law of independent assortment
(B) Mendel's law of segregation
(C) Darwin's explanation of natural selection
(D) Darwin's observations of competition
參考答案
答案:C
難度:簡單0.710526
統計:A(3),B(3),C(27),D(2),E(0)