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Re: Removing segnosaurs from ...

In a message dated 95-08-29 11:01:41 EDT, Thomas_R_HOLTZ@umail.umd.edu (th81)

>If you wish to be a strict Dollist (Dolloist?  sp.), sure.  If not, you can
>recognize that homeobox genes show that there really aren't any significant
>morphological characters that can't be reversed.

Yeah--With a great deal of biotech effort, we can get birds to regrow the
teeth they lost. But how often does this happen in the wild? And how would we
identify such a case from the fossil record?