Table 1. 95% confidence intervals for average F_ST and average heterozygosity for simulations with unconditionally beneficial alleles and overdominance.

Heterozygous Effect	Number of Sites	Selection Coefficient (s)	Mean Het	Variance Het	Mean FST	Variance FST
B populations	NA	NA	0.28	0.0024	0.08	0.0004
	NA	NA	0.29	0.0021
	NA	NA	0.28	0.0024
	NA	NA	0.27	0.0037
	NA	NA	0.27	0.0037
Neutral	NA	NA	0.22	0.0031 ± 7.0 × 10−5	0.26	0.0022 ± 8.5 × 10−5
Overdominance	20	0.03	0.20	0.0039 ± 5.3 × 10−5	0.24	0.0039 ± 0.0002
		0.065	0.19	0.0041 ± 5.0 × 10−5	0.24	0.0051 ± 0.0002
		0.1	0.18	0.0042 ± 4.4 × 10−5	0.26	0.0066 ± 0.0003
		0.03 < s < 0.1	0.21	0.0032 ± 5.4 × 10−5	0.24	0.0028 ± 9.0 × 10−5
	30	0.03	0.22	0.0034 ± 8.0 × 10−5	0.25	0.0027 ± 0.0001
		0.065	0.20	0.0041 ± 9.8 × 10−5	0.27	0.0038 ± 0.0002
		0.1	0.15	0.0060 ± 0.0001	0.42	0.0108 ± 0.0005
		0.03 < s <0 0.1	0.19	0.0040 ± 6.5 × 10−5	0.27	0.0045 ± 0.0002
A1 Dominant	5	0.065	0.20	0.0060 ± 0.0002	0.29	0.0055 ± 0.0005
	10	0.0325	0.21	0.0035 ± 7.6 × 10−5	0.28	0.0033 ± 0.0001
	20	0.01625	0.19	0.0058 ± 0.0002	0.32	0.0055 ± 0.0002
A2 Dominant	5	0.065	0.20	0.0055 ± 0.0002	0.28	0.0042 ± 0.0002
	10	0.0325	0.20	0.0037 ± 6.1 × 10−5	0.27	0.0033 ± 0.0001
	20	0.01625	0.19	0.0050 ± 0.0001	0.30	0.0045 ± 0.0002
Codominant	5	0.065	0.20	0.0060 ± 0.0002	0.29	0.0051 ± 0.0003
	10	0.0325	0.20	0.0040 ± 6.4 × 10−5	0.29	0.0041 ± 0.0002
	20	0.01625	0.18	0.0061 ± 0.0002	0.33	0.0060 ± 0.0003

Confidence intervals for each scenario are based on the distribution of these values taken from 100 simulation runs where each run consists of 5 simulated populations.