GENEALOGY-DNA-L ArchivesArchiver > GENEALOGY-DNA > 2010-11 > 1288689608
From: "Diana Gale Matthiesen" <>
Subject: Re: [DNA] DNA questions for a beginner
Date: Tue, 2 Nov 2010 05:20:08 -0400
If you have male descendants to test, yes, you should be able to determine
whether or not they have a near common patrilineal ancestor. The generation of
the descendant really doesn't matter. The important thing is that they be males
descended through an unbroken series of males from the presumed ancestor.
The kind of testing you need to do is called Y-DNA STR (short tandem repeat)
testing. FamilyTreeDNA calls it "male line testing":
I recommend being tested there.
Disclaimer: I'm not an employee of FTDNA, but I do run six projects there.
> -----Original Message-----
> From: [mailto:genealogy-dna-
> ] On Behalf Of Vern Prescott
> Sent: Monday, November 01, 2010 11:57 PM
> Subject: [DNA] DNA questions for a beginner
> Hello List members
> I have joined the list to seek guidance from people with experience with DNA
> I hope I am able to put my questions in a way that people will understand.
> Let me briefly describe my situation. My great grandmother was never married
> had 6 children. She had two sons, one being my grandfather. I have just
> determine who my grandfather's brother was, and am in touch with some of his
> descendants. Now for my questions?
> 1. I would like to try DNA on myself and on a second cousin, if I get
> thinking that I would be able to determine if my grandfather and his brother
> same father or different fathers.
> a) Am I correct in thinking that DNA would do this for me? ( both I and
> person would be male line descendants)
> b) If I can not get agreement form a second cousin, would it be advisable
to use my
> son and his third cousin rather than myself and a second cousin, once removed?
> would think that keeping the same generation would make for an easier
> c) what type of DNA testing would be required to do this?
> 2. My grandfather also had sisters, one of whom had a "surname" as a middle
> possibly suggesting parentage. If I discover that my grandfather and his
> the same father, am I correct in thinking that I could then check against data
> people of the "other" surname to see if there was a match, and possibly find
> grandfather (or his brother) by doing so?
> Given a start, I could use other, more conventional techniques, to try to
> the correct lineage.
> My reasoning is that if two sons had the same father, possibly all the
children had the
> same father. I assume this is a long shot, but better than any other methods
> Vern in Ontario
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|Re: [DNA] DNA questions for a beginner by "Diana Gale Matthiesen" <>|