In article <bbur.9.000EAC09 at wpo.nerc.ac.uk>,
Bill Burnett <bbur at wpo.nerc.ac.uk> wrote:
>In article <s06bd7ed.070 at POBOX.CC.UKANS.EDU>
dosterbu at kumc.wpo.ukans.edu (David Osterbur) writes:
>>Subject: Re: man-ape hybrid -Reply
>>From: dosterbu at kumc.wpo.ukans.edu (David Osterbur)
>>Date: 29 Sep 1995 09:29:18 -0700
>>>Chronology's not reliable either, different taxonomic groups and different
>>genes evolve at different rates... the origin of an absolute reproductive
>>barrier (either pre- or post- zygotic) can occur with very little
>>divergence (and practically no relation to phenotype).
>>>This is very true. In Drosophila melanogaster it is possible to create a
>>strain of flies in one generation that can no longer interbreed with any
>>other strain of melanogaster. Is this speciation?
>>I think so.... Anyone disagree? Why?
Bzzzt! David's was a trick question; sterility is not speciation.
Mark D. Garfinkel (e-mail: mg16 at midway.uchicago.edu)
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