Table 1.

Allele frequencies of single nucleotide substitutions found in this study.

Origin	N	-13910*T	-13937*A	-14010*C	-14091*T	-14107*A	-14176*C
Xhosa	109	0.000	0.014	0.133	0.014	0.005	0.009
Mixed Ancestry	62	0.218	0.000	0.065	0.000	0.000	0.000
Ghana	196	0.000	0.000	0.000	0.000	0.003	0.000

N = number of subjects