Archiver > GENEALOGY-DNA > 2010-02 > 1265044768

From: "Sandy Paterson" <>
Subject: Re: [DNA] re GD vs TMRCA
Date: Mon, 1 Feb 2010 17:19:28 -0000
References: <20100201090210.PF9A3.561848.root@mp17> <> <000001caa35f$4ac7d030$e0577090$@com><>
In-Reply-To: <>

Thank. Neat table.

I'm particularly interested in what sort of gd's one should expect when a
common ancestor is believed to have lived around 1100AD, hence my interest
in a TMRCA of around 30 generations. Using 67 markers, here is what I get
for a TMRCA of 30 generations :

Any comments?


-----Original Message-----
[mailto:] On Behalf Of Vincent Vizachero
Sent: 01 February 2010 17:04
Subject: Re: [DNA] re GD vs TMRCA

Yes, that's the way to read it.


On Feb 1, 2010, at 11:54 AM, Sandy Paterson wrote:

> Am I correct in my understanding that the table suggests that for a
> TMRCA of
> 12, there is about a 70% probability that the gd is 5 or less?

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