Chapter 28: Models of Evolution: 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, 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, r_P – r_Q, 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 = n_P + n_Q (C). (Numbers of alleles P and Q, n_P and n_Q, are shown in red and blue, respectively.)

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