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Re: Neanderthals...
Bearcat (bcat@netcom.com)
Fri, 15 Sep 1995 20:31:11 GMT
Alex Duncan (aduncan@mail.utexas.edu) wrote:
: In article <435ohh$k99@freenet.hut.fi> Aila Korhonen,
: ailak@mail.freenet.hut.fi writes:
: >1. Geographical separation of Neanderthals and Homo sapiens for
: >two million years sounds convincing for splitting them to different
: >species. Anyway, if the separation was complete, there was no
: >pressure to _develop_ mating hindrances between them. Instead, if the
: >speciation occured in the same area and was based on differences in
: >living habits, such hindrances should be advantageous. They would
: >help to avoid crossings that were inferior to both parental types.
: >Those different looking apes wandering, but not breeding together
: >(and maybe specializing in different food) is a good example. Goat
: >and sheep are another. Any population geneticists out there?
: Where'd you get 2 Myr? Most of the evidence I'm aware of suggest
: possible separation by 300 kyr, or perhaps a little older, depending on
: how old you think Petralona might be.
She's talking about Homo erectus, not modern humans.
- Bearcat
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