Table 1.

Population-Diversity Estimates

		Silentb		Replacement
Samplea	No. of Chromosomes	No. of SNPs	πc	No. of SNPs	πc	hd
African:	163	67	.21	9	.60	.87
West African:	76	50	.23	6	.59	.86
Sierra Leone	18	36	.24	4	.50	.79
Gambia	15	38	.25	4	.58	.89
Nigeria	16	33	.20	4	.45	.78
Cameroon	13	36	.22	6	.70	.94
Bakola Pygmiese	14	29	.21	4	.50	.88
East Africanf:	71	45	.19	9	.62	.88
Hadza	16	30	.20	5	.61	.89
Sandawe	13	33	.23	8	.73	.92
Maasai	14	24	.10	6	.45	.69
Turu	13	27	.22	6	.74	.94
Burunge	15	32	.21	6	.52	.78
Southern African (Bantu speakers)	16	36	.22	6	.66	.88
Non-African:	73	36	.12	9	.55	.81
Algeria (Berber)	9	23	.14	6	.63	.92
Tunisia	9	27	.19	4	.51	.81
Cyprus	8	8	.07	3	.43	.75
Lebanon	10	8	.05	3	.42	.82
Northern Europe	10	20	.14	7	.84	.84
Western Russia (Zversky)	9	5	.05	1	.06	.22
China (Han)	9	9	.05	2	.21	.56
Papua New Guinea	9	8	.05	3	.27	.69
Global	236	74	.19	9	.61	.86
Chimpanzee (P. troglodytes)	6	10	.09	0	.00	0

^aAfrican and non-African samples are described in the “Subjects and Methods” section.

^bIncludes coding and noncoding regions.

^cAverage pairwise sequence differences per bp (×10^-2).

^dAmino acid haplotype diversity estimates, weighted by sample size.

^ePygmies are from Southern Cameroon.

^fEast Africans are from Tanzania.