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Archiver > GENEALOGY-DNA > 2010-03 > 1268416337


From: "Diana Gale Matthiesen" <>
Subject: Re: [DNA] Clades, Definitions, Discoveries, FTDNA
Date: Fri, 12 Mar 2010 12:52:17 -0500
References: <376447.73467.qm@web25904.mail.ukl.yahoo.com><4B992A34.6060104@san.rr.com><FCA563F0-DD03-4B1E-A5ED-D1751792324B@vizachero.com><00e201cac145$82fec7c0$5e82af48@Ken1><59b150b1003111148g536d80e5he4ebb561c9048fc0@mail.gmail.com><017901cac159$4e6c7020$5e82af48@Ken1><086F1093A566477B815995B401BB889C@HP><3480483d1003111821h356097c0k9398df8feee1aaf5@mail.gmail.com><3b2a446a1003112252j5c16c392lc9fbf52e805e9407@mail.gmail.com><000601cac1f5$b5338040$5e82af48@Ken1><294168F50E07487A812B78EBD02BCBF4@HP><97305A05-75B3-44B6-8433-84FDB790890F@vizachero.com>
In-Reply-To: <97305A05-75B3-44B6-8433-84FDB790890F@vizachero.com>


So, Ken's "Jewish clades" and "Christian clades" monophyletic, I presume based
on his assertion that clades are defined by their "demographic properties," not
their "tags" (genetic mutations). Ooookay.

Diana

> -----Original Message-----
> From: On Behalf Of Vincent Vizachero
> Sent: Friday, March 12, 2010 12:20 PM
> To:
> Subject: Re: [DNA] Clades, Definitions, Discoveries, FTDNA
>
> Though Ken clearly needs no defense from off-target attacks, let's
> not butcher history.
>
> If anyone has been using a sloppy definition of "clade" I don't know
> who that could be. Whenever I've seen Ken use the word
> "clade", that word has represented a monophyletic group.
>
> VV
>
>
> On Mar 12, 2010, at 11:15 AM, Diana Gale Matthiesen wrote:
> > Yes, the word "clade" has both a lay definition, meaning simply
> > "group," and a technical definition, as used in cladistics,
> > meaning a *monophyletic* group. The Y-DNA haplotree is a
> > cladogram, a product of cladistic analysis. Its branches are,
> > to the best of our current knowledge, monophyletic clades. In
> > these discussions, we should be using the technical definition of
> > the word. The word "group" is still available for other uses.
>


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