GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2010-03 > 1270084791


From: "Gary M. Lee" <>
Subject: Re: [DNA] 3 surnames with 37/37 and 67/67 matches
Date: Wed, 31 Mar 2010 18:28:51 -0700
References: <mailman.7175.1270073879.12642.genealogy-dna@rootsweb.com><4BB3E232.9080107@storm.ca><979911187-1270083783-cardhu_decombobulator_blackberry.rim.net-1163117506-@bda429.bisx.prod.on.blackberry>


----- Original Message -----
From: <>
To: "Martin Potter" <>; <>
Sent: Wednesday, March 31, 2010 6:03 PM
Subject: Re: [DNA] 3 surnames with 37/37 and 67/67 matches


> Hi Martin,
>
> I would venture as much to say that, theoretically, statistically, it is
> possible for two unrelated people to develop the same genetic mutations.
> After all. There are only so many possible combinations, and there have
> been billions of people on earth. That being said I find it highly
> unlikely.
>
> Are you comparing modal DNA sequences or direct results? If the results
> are modal remember that in ancient times people often adopted the surnames
> of their occupation, location or physical traits. It is possible that all
> thre people descended from the same ancestor and had different surnames.
>
> Or maybe there's another more technical explanation. I'm certainly no
> expert. ;)
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: Martin Potter <>
> Date: Wed, 31 Mar 2010 20:00:50
> To: <>
> Subject: [DNA] 3 surnames with 37/37 and 67/67 matches
>
>
>
> Hello, All,
>
> A member of one of my surname projects (just starting) turns
> out to be a 37/37 match with another gentleman of a different
> surname and a 67/67 match with a third gentleman of yet
> another surname. There is no known genealogical connection
> between any of them.
>
> My member's haplogroup has been tested as N1c1 (a relatively
> small group). His Ysearch ID is QP285.
>
> Is it possible that the 37/37 match might be a false positive
> in a small haplogroup like N1c1? (I could believe it for
> R1b ... but N1c1?)
>
> If the 37/37 match is NOT spurious, then it seems there is a
> 2/3 probability that my project member has an NPE in his
> paternal line. (And if it is spurious, then the probability
> drops to 1/2.)
>
> Is there any other likely explanation, and is there some way
> to put my project member's mind at ease about all of this?
>
> ... Martin
>
> Huntsman Surname DNA Project
>
>
>
>
>
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