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Elizabeth Miller

conjectural early human, also known as Mitochondrial Eve, was proposed by Rebecca L. Cann and her fellow researchers in 1987 Using mitochondrial DNA inherited only along the maternal line Cann and her associates examined 147 individuals and produced a genetic evolutionary tree showing branching from two sets of individuals one set of African ancestry and a second set of mixed African and other ancestry The most parsimonious explanation of the tree was that modern humans originated in Africa from a single source which Cann and her coworkers named Eve at a date between 140 000 and 290 000 years ago Subsequent research has placed this date more accurately at approximately 200 000 years ago by comparing ten human genetic models African Eve is a mathematical model and not an actual fossil of human remains Nonetheless most scientists now agree that she is the most recent woman who is ancestral ...