And so we're doing our damnedest to increase diversity by isolating our
gene pools from each other through racism, war, animosity, governments,
language chauvinism, etc. .... are we winning the battle, or losing the war?
JAY.
At 10:27 AM 1/7/2002 -0800, you wrote:
>SNPs as Windows on Evolution
>
> Recent studies reveal that the human species is young and
> genetically uniform
>
>http://www.the-scientist.com/yr2002/jan/lewis_p16_020107.html
>
>[...]
>SNPs reveal that Homo sapiens is a young species, with so little time having
>elapsed since origin that humans are what Venter calls "virtual identical
>twins." "The amount of variation in the human population is way less than
>expected for a population of 6 billion," concurred Andrew Clark, a
>professor of
>biology at Pennsylvania State University, indicating a rapid expansion.
>
>
> "The poverty of variation tells us about the structure of the early human
>population. The rate of heterozygosity per nucleotide position is closely
>related to the size of a population and the mutation rate. Humans are a small
>population that grew large fast, from 10,000 founders in Africa 3,000
>generations ago. Most of today's variation is the very same variation we
>walked
>out of Africa with. We are an extremely closely related species," said
>Lander.
>
>
>[...]
>
>=====
>Bill Barowy
>
>"Everything is a becoming, without beginning or end"
>
>__________________________________________________
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---------------------------
JAY L. LEMKE
PROFESSOR OF EDUCATION
CITY UNIVERSITY OF NEW YORK
JLLBC@CUNYVM.CUNY.EDU
<http://academic.brooklyn.cuny.edu/education/jlemke/index.htm>
---------------------------
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