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Paternity testing - alleged father - him or his brother... can anyone help?
We are testing for paternity on my son who is 9 years old.... 10 years ago I had sexual relations with 2 brothers, plus a couple of other men. Yes, it is obvious that I had no boundaries or real guidance in my life at that age. This was 10 years ago, and just for the record, I am a completely different person now. But on a hunt for my sons father, I decided to test the one I had sex with more often. We can call him Brother A. When the results came back that he is not the father, they sent me the DNA results. Out of 15 alleles, only 6 did not match. Leaving 9 that did. Does this mean that he could be a relative? We are testing Brother B as well, I'm just trying to do my research in the mean time. Does anyone know about DNA testing enough to help me out here? I jsut want my mind to be at ease....
1 Answer
- ?Lv 51 decade agoFavorite Answer
This is the Genealogy (family tree) section and while we do have some interest in genetics, most of us are not experts in the field. I suggest that you post your question in the Science & Mathematics, Biology section as well.
From the little I know, it sounds likely that Brother B is the father as 9 out of 15 matches sounds like a good indication of siblingship.
With a Y-DNA test you would be able to determine if your son is from the same paternal line as these men conclusively as this DNA is passed on more or less unchanged down the paternal line (together with surname in an ideal world). These tests are generally done for genealogy purposes not paternity testing (to help determine the ancestral origins of a person's paternal line).
If both brothers are not the father, I would suggest doing the Y-DNA37 test which might help identify the likely father by surname.
Source(s): www.familytreedna.com
