TABLE 1.

Proportion of positively selected SNPs segregating at different frequencies in simulated data sets as a function of the strength of selection (γ)

	γ = 20		γ = 50		γ = 100		γ = 500
Frequencya	Pop A	Pop AA	Pop A	Pop AA	Pop A	Pop AA	Pop A	Pop AA
0–50%	0.877	0.921	0.056	0.084	0.012	0.012	0.007	0.007
>50–80%	0.116	0.078	0.141	0.460	0.007	0.193	0.004	0.204
>80–97.5%	0.007	0.001	0.552	0.456	0.014	0.785	0.004	0.776
Fixed	0.000	0.000	0.251	0.001	0.968	0.010	0.986	0.013

Here t_sel = 3200 generations when N_B = 10,000.

^aFrequency bins in a sample size of 40 chromosomes.