GENEALOGY-DNA-L ArchivesArchiver > GENEALOGY-DNA > 2010-03 > 1268414375
From: Vincent Vizachero <>
Subject: Re: [DNA] Clades, Definitions, Discoveries, FTDNA
Date: Fri, 12 Mar 2010 12:19:35 -0500
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.
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.
|Re: [DNA] Clades, Definitions, Discoveries, FTDNA by Vincent Vizachero <>|