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Y chromosomal DNA lineages


'Y chromosomal DNA lineages' can also refer to...

 

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Paternal lines of evolutionary descent traced using molecular markers on the Y chromosome. Studies of 1,000 men from 22 geographical areas traced the ancestral Y chromosome to an African male who lived about 59,000 years ago. In the popular press this male was called Y chromosome Adam. The observation that this man lived thousands of years later than mitochondrial Eve simply means that at the time Eve's mtDNA had become fixed in Homo sapiens, males still had a variety of Y chromosomal DNAs. It took tens of thousands of years more before one particular version of the Y became fixed in our species. See Chronology, 2001, Underhill et al.; mitochondrial DNA lineages.

Subjects: Genetics and Genomics.


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