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Table 2 Impact of recombination on dN/dS estimation under a Jukes Cantor model.

From: GENOMEPOP: A program to simulate genomes in populations

4Nr Expected ω Estimated ω NPSS
0 1 1.02 ± 0.03 0.1 ± 0.05
40 1 1.06 ± 0.04 9.9 ± 0.56
40 ncb 1 1.01 ± 0.03 8.8 ± 0.49
0 2.5 2.62± 0.12 0.3 ± 0.07
40 2.5 2.57± 0.11 13.1 ± 0.77
40 ncb 2.5 2.58± 0.13 12.7 ± 0.65
  1. N: Population size. r = Recombination rate per gene. ω = dN/dS. NPSS: Average number of positive selection sites. ncb: no codon break allowed.