Table 7.
TMRCAs Computed from STR Allele-Size Variance in Northwestern Africa
|
Mutation |
||||||
| SRY-1532(A→G) | 12f2(10Kb→8Kb) | M9(C→G) | 92R7(C→T) | SRY-8299(G→A) | sY81(A→G) | |
| Haplogroups containing the derived allele | All (n = 129) | 9 (n = 15) | 1 + 26 (n = 6) | 1 (n = 5) | 21 + 8 (n = 105) | 8 (n = 6) |
| Mean STR allele-length variancea | .844 | .275 | .472 | .314 | .389 | .181 |
| Expansion time (ya)b | 14,067 | 4,583 | 7,867 | 5,233 | 6,483 | 3,017 |
| (95% CIc) | 757–68,782 | 0–27,609 | 1,264–33,347 | 0–27,696 | 493–30,782 | 0–18,565 |
a
Mean STR allele length variance is the average over STRs of allele length variance.
b
Times estimates were computed on the basis of equation 5 in Di Rienzo et al. (1998; see also the Material and Methods section).
c
CI was computed by taking into account variance interlocus sampling error and mutation rate estimate error.