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From: "Anatole Klyosov" <>
Subject: Re: [DNA] TMRCA of R1b1b2s to King Tut?
Date: Fri, 19 Feb 2010 20:30:14 -0500
References: <mailman.5787.1266597968.2099.genealogy-dna@rootsweb.com>


>From: Tom Gull <>
>Isn't there some wishful thinking going on here <g>. Don't the various
>SNPs for U152 and U106 and the like fall so much into the same timeframe
>that we could sub any of the others in for U152 and be equally likely to
>have a hit? And don't we also know that it's very hard to guess which of
>these SNP someone has based on STRs alone? / Tom


Dear Tom,

It would be MUCH more productive if you present here YOUR estimate. Air
vibration does not provide much help.

Thank you.

Anatole

*********************************

> Dear John,
> I think Anatole's estimate for R-U152 is pretty close to the true
> TMRCA. I just did an intraclade TMRCA estimate using 87 67-marker R-U152
> haplotypes and got 3650 using 50 markers and John Chandler's mutation
> rates
> and 3552 using 10 YHRD markers and using YHRD mutation rates. As I have
> mentioned previously intraclade TMRCA estimates tend to underestimate the
> true TMRCA by some percentage.
> Sincerely,
> Tim Janzen

**********************************
>
> >What is the latest age estimate for U152?
>
> My response:
>
> JoGG, 5(2) 217-256 (2009)
>
> R-U152, 184 haplotypes, TMRCA 4125+/-450 years before present.
>
> Anatole Klyosov
>


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