Mother of all humans lived 200,000 years ago

The most robust statistical examination to date of our species' genetic links to 'mitochondrial Eve' - the maternal ancestor of all living humans - confirms that she lived about 200,000 years ago. The Rice University study was based on a side-by-side comparison of 10 human genetic models that each aim to determine when Eve lived using a very different set of assumptions about the way humans migrated, expanded and spread across Earth...

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