Re: genetic diversity (was Newsweek)
13 Feb 95 20:35:26 GMT
firstname.lastname@example.org (Henry T Robertson) writes:
>In article <D3yDu0.Es2@zoo.toronto.edu>,
>Anthony L. Lang <email@example.com> wrote:
>>They are referring to the other 94% of genes that don't vary
>>among populations of humans. Certain genes that control
>>morphology and physiology do differ among people from
>>different parts of the world (the 6% referred to above)
>>but others do not (the other 94%). This is not
>>to say that the latter genes
>>do not have variation. They do, but the genetic variation
>>exists in all populations of the world. For example,
>>A, B, and O genes for blood type exist in all populations
>>(although, I have to admit that some types are rarer in
>>some populations than in others).
>What is it that causes non-genetic DNA to differ when new species emerge
>through genetic isolation? Humans and chimps have common ancestors,
>yet today a human-chimp couple cannot reproduce due to the different
>number of chromosomes among other things. There is more than just genetic
>differences between humans and chimps. Or has science not yet figured that out?
i guess you're trolling again, aren't you?
and you still haven't read your biochem texts.