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Subject:	Re: planktotrophic/lecithotrophic and species
From:	Andrew Grebneff <[log in to unmask]>
Reply To:	Conchologists of America List <[log in to unmask]>
Date:	Mon, 10 Jun 2002 22:05:17 +1200
Content-Type:	text/plain
Parts/Attachments:	text/plain (15 lines)

>  Thus DNA is NOT like cladistics: DNA
>is a molecule that can be a good or a bad character (then it is LIKE
>morphology), while cladistics is a methodology (or a conceptual and
>theorethical framework) for the analysis of character evolution.

It is like cladistics in that the wrong parts can be chosen, just as
inappropriate  characters can. Wrong choice, bad/misleading results.
As with all methods, care must be exercised; likewise the utmost
effort in avoiding subjectivity.
--
Andrew Grebneff
165 Evans St, Dunedin 9001, New Zealand
<[log in to unmask]>
Seashell, Macintosh, VW/Toyota van nut

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