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Re: Tiktaalik

To: dinosaur@usc.edu
Subject: Re: Tiktaalik
From: Tim Williams <twilliams_alpha@hotmail.com>
Date: Fri, 07 Apr 2006 21:24:35 -0500
In-reply-to: <1f4a892d0604070919p689d066ak30649f42e6adcf3c@mail.gmail.com>
Reply-to: twilliams_alpha@hotmail.com
Sender: owner-dinosaur@usc.edu

Scott Hartman wrote:

But today biologists generally accept that large changes in body plan result from the accumulation of many small changes over time; there is scant evidence for even a weak version of Goldschmidt's "Hopeful Monster" form of phenotypic saltation.


Perhaps not.  Check out Karen Sears' evo-devo work on bat fingers...

http://dml.cmnh.org/2004Nov/msg00242.html
http://dml.cmnh.org/2004Nov/msg00186.html

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