問題詳情

50. Isolated populations will lose a percentage of their original diversity over time, approximately at the rate of 1/(2N) pergeneration, where N= population size. After 20 generations, the original population of 500 will lose ___ of its originalgenetic variation.
(A) 20%
(B) 2%
(C) 4%
(D) 8%
(E) 16%.

參考答案

答案:B
難度:適中0.454545
統計:A(3),B(10),C(2),D(0),E(1)

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