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[[Image:MitochondrialEve.jpg|frame|right|thumb|100px|An artist's impression of Mitochondrial Eve]]
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'''[[Mitochondrial Eve]]'''

A comparison of the [[mitochondrial DNA]] of [[human]]s from many [[race]]s and [[region]]s suggests that all of these [[DNA sequence]]s have [[molecular evolution|evolved molecularly]] from a common ancestor sequence. Under the assumption that an individual inherits [[Mitochondrion|mitochondria]] only from one's mother, this finding implies that all living humans have a female line of descent from a woman whom researchers have dubbed '''Mitochondrial Eve'''. Based on the [[molecular clock]] technique of correlating elapsed time with observed genetic drift, Eve is believed to have lived about 150,000 years ago (148,000 BC). [[Phylogeny]] suggests she lived in [[Africa]].   

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