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Archiver > DNA-R1B1C7 > 2009-04 > 1239533340


From: "Sandy Paterson" <>
Subject: Re: [R-M222] Genetic Distance/Diversity
Date: Sun, 12 Apr 2009 11:49:00 +0100
References: <cc6.4530e14f.369acc89@aol.com>
In-Reply-To: <cc6.4530e14f.369acc89@aol.com>


Hi John

You posted this on 11-01-2009. From the table, the mean gd from the M222+
modal works out at 5.23

Early last week I pulled off the 37 marker M222+ haplotypes. I ran them
through some software that I wrote this morning and found a mean gd of 7.056
which looked wrong. So I checked but can't find any errors. In particular, I
noticed that there are quite a few gd's in excess of 11, the largest being
McCord (kit number 39163) at a gd of 21, much larger than the maximum of 11
shown below.

I've checked McCord manually and the figure of 21 seems right. Is it easy
for you to run it through the McGee utility again?

Sandy


-----Original Message-----
From:
[mailto:] On Behalf Of
Sent: 11 January 2009 04:16
To:
Subject: [R-M222] Genetic Distance/Diversity

I went through the entire M222 project plotting GDs against the M222 modal
from the McGee Utility.

0 (1)
1 (10)
2 (22)
3 (46)
4 (76)
5 (60)
6 (75)
7 (53)
8 (42)
9 (7)
10 (6)
11 (1)

I don't know how others would interpret this but the main cluster of the
group appears to come in at between 4-6 GDs against the M222 modal. This
group
includes several large surname groups (Doherty, Ewing and McLaughlin) plus
some smaller ones (Dunbar, McCord, Cowan, Duncan) and a lot of singletons.

In a previous check of Dohertys, Mclaughlins and Ewings the GDs against the

same modal were:

McLaughlins 5-6
Dohertys 6-7
Ewings 7-8

Ewings GDs from the project

6 (2)
7 (4)
8 (12)
9 (2)
10 (2)


For most of the other surnames in the project (singletons) it isn't
possible
to say much.

McCord

3 (2)
4 (2)
5 (1)
6 (2)
8 (1)
9 (1)

Duncan

2 (1)
8 (1)

Dunbar

6 (2)
7 (3)
8 (3)

I simply do not see a lot of diversity here. And nothing that can be
localized on a geographical basis (Ireland vs. Scotland vs. England). For
most
surnames it's impossible to tell anything.

There are a lot of M222 Duncans on Ysearch.

Duncan (Ysearch)

7 (2)
8 (9)
9 (6)
10 (2)

Three other Duncans are so remote (14,15,16 GDS) I can't believe they're
related even though all are M222.


The Duncans and Ewings seem a little more distant from the modal than the
McLaughlins and Dohertys. Both are thought to be Scottish in origin. But
I
can't say much just based on this. We might be able to tell more if we had

more samples for both Irish and Scottish surnames.


John






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