seeing as how all humans can be traced back to one woman in Africa
Never heard of this but I don't think I'm buying it.
Mitochondrial Eve is named after mitochondria and the biblical Eve.[2] Unlike her biblical namesake, she was not the only living human female of her time. However, her female contemporaries, except her mother, failed to produce a direct unbroken female line to any living woman in the present day. http://en.wikipedia.org/wiki/Mitochondrial_Eve