Because the term “ancestor” is used in genetic genealogy, here is some clarification
as to what that term means. A haplogroup refers to people in a family of lineages
that share a common ancestor. So for other people who share my haplogroup the term is
an indicator of whether we share a genetic ancestor. However, this does not
tell me whether I am closely related to that person with whom we share a haplogroup.
The Most Recent Common Ancestor
The time of The Most Recent Common Ancestor(TMRCA) refers to “the most recent
individual from which all the people in the haplogroup are directly descended.”
Strictly speaking, it does not mean I am directly related to TMRCA
in my haplogroup. It means that I have a common ancestor in my haplogroup dating
back thousands of years.
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