wrote:
>
> --- In FairfieldLife@yahoogroups.com, Jason Spock <jedi_spock@> wrote:
> >
> >
> > Genetists say, a single mutation in a single gene can change
> colour and characteristics. Evolution does not take place slowly and
> gradually, but in fits and bursts.
> >
> > There is a lot of genetic evidence for this. Genetic testing
> shows that there is very little genetic variations in Humans. On the
> contrary, there are huge genetic variations in other animals and
> plants even in a small locality. Take elephants for instance, even in
> a small locality there are wide range of genetic variations.
> >
> > These variations are completely missing only in humans.
> Genetic Scientists like Dr. Spencer Wells traced it back to a point
> 70,000 years ago when population dwindled down to a few hundreds.
> This was somewhere in South-Africa.
> >
> > Pigment was one of the major mysteries untill a Lady scientist
> finally cracked it. In the tropics where there is abundance of UV
> radiation, one needed black pigments to protect the skin. But as
> humans started coming out of Africa and started moving north Sunlight
> became scarce in higher latitudes. Vitamin-D also became scarce. The
> skin became white so that whatever little Vitamin-D that could be
> squeezed out of the sunlight enabled them to survive. Those who had
> dark skins could not manufacture enough Vitamin-D in Sun-starved
> latitudes and died of rickets. Having a white skin bacame essential
> for survival in Cold-Latitudes. This change happened around 40,000
> years ago when the first humans entered Europe when the world was in
> the thick of an ice-age.
> >
> > Hitler's Aryan myth has been shattered by a simple Scientific
> fact - Vitamin-D..!!
> >
> > By the way, who said we didn't originate on this planet.??
> There is a 99% similarity between the Humans and their closest
> relative the Chimp..!!
> >
> +++ That does sound logical for the black and white people but what
> sort of situation would explain the yellow and red ones?
> It is not an altogether black and white issue you could say.
> I will see if I can find some titles by authors of "off world
> origins" in my collection here. thanks, N.
>
+++ On further contemplation, I wonder why this black-white
progression wouldn't have worked in reverse in south America and so
find a lot of black people there now. N.
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