Reviewing H. Norton, R. Kittles et al, 2006 - Part 2:
Link to the part 1: Skin pigmentation gene alleles [clickable]
Additional notes:
For those who are curious, the authors of the aforementioned skin pigmentation study [Kittles et al.] don't specifically point out the TMRCAs for the identified genes in question, but apparently ancestral lineages were delineated from their derived counterparts





