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From: stodola@orion.fccc.edu (Robert K. Stodola)
Newsgroups: sci.bio
Subject: Re: Coelocanth and evolution: Human chr. differences
Summary: Amount of DNA not the only issue.
Message-ID: <1991Jun12.132215.20792@fccc.edu>
Date: 12 Jun 91 13:22:15 GMT
References: <676362297.46@egsgate.FidoNet.Org> <1991Jun12.033532.3222@menudo.uh.edu>
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In article <1991Jun12.033532.3222@menudo.uh.edu> davison@menudo.uh.edu (Dan Davison) writes:
>In article <676362297.46@egsgate.FidoNet.Org> Vincent.A.Mazzarella@f98.n250.z1.FidoNet.Org (Vincent A Mazzarella) writes:
>
>   But, of course, genomes of every human is quite different from every other
>   human. What matters are those differences causing a change in phenotype.
>
>Waitaminnithere.  "Quite?" Less than < 1% is quite?  Please define
>what you mean.  The chimp-human sequence divergence is about 1%, which
>I can't see a "quite different" by any stretch of the imagination. 
>
Don't know much about primate genetics (or any other, for that matter), but
I gather all mammals have approximately the same amount of DNA, and many
pieces are common.  In many species, however, they are mixed up on a different
numbers of chromosomes.  This would seem to interfere with the normal mating
process...