Re: AAH

James Borrett (jamesb@hgu.mrc.ac.uk)
Mon, 01 Jul 1996 11:06:40 +0100

Phil Nicholls wrote:

> Since humans are believed to be neotenous and since interdigital
> webbing is present in all mammalian embryos, a higher frequency of
> interdigital webbing in humans would not provide a clear test for the
> AAH. More importantly, interdigital webbing is once again a soft
> tissue characteristic and therefore does not fossilize.

Sure, but if the frequency of webbed feet is higher in purely terrestrial
chimpanzees then AAH would have been falsified. Neotony or otherwise, the
AAH would predict that humans would have a higher frequency of webbed
feet than in chimps.