A study provides a window into the first 100,000 years of the history of modern humans.
The southwest group, in contrast to the northeast group, seemed to do well, possibly because they were able to adapt to marine foraging.The group that remained eventually adapted to the drier land and their maternal descendants can still be found in the Kalahari region today.
Professor Vanessa Hayes, from the Garvan Institute of Medical Research and University of Sydney, and extraordinary professor at the University of Pretoria, led the study. She said blood samples from volunteers in South Africa and Namibia allowed researchers to compare the DNA code - mitogenome - which she described as"like a time capsule of our ancestral mothers, accumulating changes slowly over generations".
She added:"It has been clear for some time that anatomically modern humans appeared in Africa roughly 200,000 years ago. "What has been long debated is the exact location of this emergence and subsequent dispersal of our earliest ancestors."
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