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Is it possible to determine if 2 males having the same surname belong to the same paternal lineage?

April 26, 2017determine Lineage males paternal possible Surname

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Is it possible to determine if 2 males having the same surname belong to the same paternal lineage?

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This is possible since, the Y chromosome (part of DNA that determines male sex) is inherited from father to son. The regions of Y chromosome tested remain the same for over 10 generations. Thus if 2 males having the same surname and have the same Y chromosome means that they have the same ancestor.