Figure 28.6 - Provided that the difference in fitness between alleles, rP – rQ, stays the same (as in A), the allele frequency P follows the standard sigmoid curve over time (B) and is not affected by changing population size, n = nP + nQ (C).

Figure 28.6. Provided that the difference in fitness between alleles, rPrQ, stays the same (as in A), the allele frequency P follows the standard sigmoid curve over time (B) and is not affected by changing population size, n = nP + nQ (C). (Numbers of alleles P and Q, nP and nQ, are shown in red and blue, respectively.)

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