【非選題】 26. In the peppered month (B ist on be ml aria), black individuals may be either homozygous (A1A1) or heterozygous (A1A2), whereas pale gray months are homozygous (A2A2). Suppose that in a sample of 250 months from one locality,
108 are black and 142 are gray, (a) Which allele is dominant? (b) Assuming that the locus is in Hardy-Weinberg equilibrium, what are the allele irequencies? (c)
Under this assumption, please describe Ho (Observed heterozygosity), He (Expect heterozygosity) and Fis. (6 分）
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