A.12 or 13 days after it hatches. B.About 4 or 5 weeks after it hatches. C.As soon as it hatches. D.About 3 weeks after it hatches.
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【简答题】Which of the following statements aboutgenetic drift is trueA. Mildly disadvantageous alleles不利基因 can sometimes increase in frequency, due to genetic drift. B. Evolution by random genetic drift procee...