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From: "John McEwan" <>
Subject: RE: [DNA] How many Scots are Scots
Date: Fri, 3 Feb 2006 21:47:27 +1300
In-Reply-To: <003101c62820$d8f90220$1802a8c0@WorkGroup>


Dear Rob

In the analysis I did there were 324 with stated Scots ancestors of
these 241 (74%) were classified as R1b based on STR information (such
classifications are very accurate to within fractions of a percent). Of
these 50 were classified as in the R1bSTR47 or Scots cluster. The
classification for this group is robust but not perfect. So the figures
are from this sample of Ysearch are 50/241 (20.7%) of R1b and 50/324
(15.4%) of the total.

Cheers

John McEwan

-----Original Message-----
From: rlivingston1488 [mailto:]
Sent: Friday, 3 February 2006 6:48 a.m.
To:
Subject: Re: [DNA] How many Scots are Scots

John McEwan stated:

> 4) Approximately 21% of Scottish origin R1b is R1bSTR47Scots.<

So I guess in order to answer Andrew's question (without pounding on him
for
asking the question in such an awkward fashion), you have to know, "What
percentage of Scots-origin men who participated in the testing are
R1b?", in
order to subtract out the roughly 21% who are R1bSTR47. Is that kind
of
information readily available?

Rob


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