GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2010-03 > 1270044163


From: "robert mclaren" <>
Subject: Re: [DNA] Questions about alternate means of searching DNA Genealogy
Date: Wed, 31 Mar 2010 10:09:12 -0400


John,

In my case, the two mutations were in the first 37 markers. For 67 markers
FTDNA test we were 65/67. When I added one panel of advanced markres
(panel 9), we had a total of 77 markers tested and we were 75/77.

Yours aye,

Bob


> [Original Message]
> From: < (John Chandler)>
> To: <>
> Date: 3/31/2010 12:21:01 AM
> Subject: Re: [DNA] Questions about alternate means of searching DNA
Genealogy
>
> Sam wrote:
>
> > I think it is extremely unlikely that two mutations could occur in
> > just one generation.
>
> It depends on how many markers (and which markers) you compare. If
> you compare the FTDNA 67-marker panel, the total of the mutation rates
> is more than 1/5. Therefore, the probability of finding two mutations
> is about 1/20. Not exactly common, but no so extremely unlikely after
> all.
>
> John Chandler




This thread: