Table 2.

Intra-Allelic Diversity Estimates

Sample	na	Sb	πc	Dd
Global:
Be	165	15	.55	−.62
A	32	5	.20	−.91
A−	17	1	.03	−1.15
A/A−	49	6	.29	−.30
African:
B	112	15	.51	−.86
A	32	5	.20	−.91
A−	16	0	.00	…f
A/A−	48	5	.27	−.04
Non-Africane	53	3	.30	1.77
Chimpanzee	4	9	1.10	−.79

^aNumber of chromosomes.

^bNumber of silent-site SNPs.

^cAverage pairwise sequence differences per site (× 10⁻³).

^dTajima's D statistic (all tests nonsignificant).

^eIncludes only the normal B alleles.

^fTajima's test cannot be performed because no silent SNPs are found in this sample.