DNA-R1B1C7-L Archives

Archiver > DNA-R1B1C7 > 2007-08 > 1186879874


From: "Ken Nordtvedt" <>
Subject: Re: [DNA-R1B1C7] Network.exe
Date: Sat, 11 Aug 2007 18:51:14 -0600
References: <ca5.15ede8f7.33efb014@aol.com>


If you fish long enough for the "right" set of markers you will get the
results you want. It is important to try to use a "hands off" set of
markers.


----- Original Message -----
From: <>
To: <>
Sent: Saturday, August 11, 2007 6:36 PM
Subject: Re: [DNA-R1B1C7] Network.exe


>
> In a message dated 8/11/2007 11:36:31 A.M. Central Standard Time,
> writes:
>
> Bottom line, I think if we are comparing full 37-marker panels, we should
> not be using average per locus rates as low as 0.002 and certainly not
> 0.00069. And we should probably not be using 25 year generation times, at
> least not in the last 400 years among Scottish Presbyterians. I am by no
> means expert, but I think if we want to do calculations about the MRCA of
> the R1b1c7 McLaughlins and Ewings, we should use fewer markers and
> Chandler's rates.
>
> Try this:
> 393, 19, 426, 388, 389-1, 392, 459a, 459b, 455, 454, 437, 448, YCA-IIa/b,
> and 438 with an average mutation rate of 0.00088 per locus, or 0.0132 for
> the 15-marker panel. I think I'll go to work on this now, but I'm not
> sure
> I'll have time to finish before other responsibilities shoulder this
> project
> aside.
>
>
>
> David, that would be an interesting approach. It would take a little
> work
> but you could set up that data set in the McGee utility for Fluxus
> charts. I
> also agree about the 25 year generation times. There was a huge
> discussion
> on this a while back on the GEN-DNA list and most people used 30 or
> higher as
> an average.
>
> I'm not getting what appear to be accurate readings for either the
> Dohertys or McLaughlins using the figures borrowed from the Trinity study.
>
> John
>
>
>
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