What DNA Says About Aryan Invasion Theory -2

[acharya]

<!--QuoteBegin-Nag+Sep 8 2009, 07:09 AM-->QUOTE(Nag @ Sep 8 2009, 07:09 AM)<!--QuoteEBegin-->Hi dhu,
I for one think that it is time one buries AIT once and for all. Recently I was discussing with a friend who is an AIT supporter. And even after I presented him with Oppenheimer's genetic proof that AIT is wrong, he countered me with a paper published in 2007 done by Tatiana Zerjal et al - " Y-chromosomal insights into the genetic impact of the caste system in India" .

http://www.pubmedcentral.nih.gov/articlere...i?artid=2590678


I find the conclusions very dubious, how can one extrapolate from a sub group to an universal group and say that hence caste system existed since thousands of years and hence AIT is valid? is my reasoning correct? I am not a geneticist so not sure what is wrong with their conclusions except that it is too localized....please comment.

I have one more question, this is regarding morphological differences between higher castes and tribes as a proof for the support of AIT. I understand the differences in skin color but not sure how one can account for morphological differences like broad noses, etc etc. Could you also please comment on that?

Thanks in advance.[/B]
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Most of these conclusions are jugglery and to fit to their world view.
Also many White supremacist have been propogating these genetic conclusions.