Scientists believe that they traced the ancestral homeland to the wetlands that existed in present-day Botswana.
The area south of the Zambezi River became home to Homo sapiens about 200,000 years ago and has provided space for scientists, according to a population-based population of about 70,000 years ago.
"We've known for a long time that modern humans originated in Africa about 200,000 years ago, but what we didn't know until this study was where it was," says Vanessa Hayes, a geneticist and senior author of a new study at the Institute
For their study, published on Monday, researchers used mitochondrial DNA transmitted from the mother of a child to determine the oldest known maternal lineage.
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THE CALIFORNIA'S DESTRUCTIVE KINCIDE IS FOLLOWED BY THE SPACE  I am definitely wary of using modern genetic distributions to conclude exactly where ancestral populations lived 200,000 years ago, especially in a continent as large and complex as Africa. "Chris Stringer, who studies human origins at the Museum of Natural History in London,
Scientists publish the results of their research in the journal Nature.
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