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Archiver > GENEALOGY-DNA > 2008-10 > 1224084927


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] What is a clade?
Date: Wed, 15 Oct 2008 09:35:27 -0600
References: <006601c92e07$1a005d10$6400a8c0@Ken1><f3f05ce80810150353r13ced066y4b891e1a60542144@mail.gmail.com><004e01c92ed5$1ee20350$6400a8c0@Ken1><f3f05ce80810150805qfbfd459h6b8f4976333e1dbb@mail.gmail.com>


----- Original Message -----
From: "Dienekes Pontikos" <>
To: <>
Sent: Wednesday, October 15, 2008 9:05 AM
Subject: Re: [DNA] What is a clade?


> The line of ancestors isn't the only set of Y-chromosomes that would
> be erroneously assigned to the clade. Any men that are G generations
> away along Y-chromosome lines would be erroneously assigned, e.g., the
> founder's brothers and their sons, his paternal uncles and a whole
> bunch of other men who aren't his descendants but are linked via
> patrilineal transmissions with no more than G steps.

[[[[ The founder, founder's brothers and their sons, his paternal
uncles..... ]]]] have a VERY recent MRCA of their own. If our sampling
today caught some of their descendants, than the clade would be focusing as
we moved back in time toward that slightly earlier MRCA. Big deal! ]]]]]]


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