This article really should be called “Identifying Prodigal Great-Grandpa by Ancestor Mapping Your Chromosomes,” because that’s what we’re going to be doing. It’s fun to map your ancestors to your chromosomes, but there is also a purpose and benefit to be derived. So you can have guilt-free fun because you’re being productive too! Oh, and yes, you can work on finding Prodigal Great-Grandpa.
I constantly receive questions similar to this:
“How can I find the identity of my mother’s mother’s father? My great-grandmother went to her grave with this secret. That’s one eighth of my ancestry. What can I do? How can I find out?”
The answer is that it’s not easy, but it is sometimes possible. Note the word sometimes. A good part of the definition of “sometimes” is how willing you are to do the requisite work and if you are lucky or not. Luck favors those who work hard. …
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