Y-chromosomal Adam

In human genetics, Y-chromosomal Adam (Y-MRCA) is the most recent common ancestor (MRCA) from whom all living people are descended patrilineally (tracing back only along the paternal lines of their family tree). Recent studies report that Y-chromosomal Adam lived as early as around 142,000 years ago. Older studies estimated Y-MRCA as recent as 60,000 years ago. All living humans are also descended matrilineally from Mitochondrial Eve who is thought to have lived earlier, about 190,000–200,000 years ago. Y-chromosomal Adam and Mitochondrial Eve need not have lived at the same time.

Read more about Y-chromosomal AdamNomenclature, Hypothesis, Variable Adam, Time Frame

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Y-chromosomal Adam - Time Frame
... The time when Y-chromosomal Adam lived is determined by applying a molecular clock to human Y-chromosomes. 2000, proposed that Y-chromosomal Adam lived about 59,000 years ago ... This date suggested that Y-chromosomal Adam lived tens of thousands of years after his female counterpart Mitochondrial Eve, who lived 150,000–200,000 years ago ...

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