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adiM
on Oct 29, 2012
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The lactose-tolerance mutation
Indians started cultivating rice (~ 2000 B.C.) much later than the Chinese (~ 4000 B.C.) [1]. Given the rate at which lactose tolerance spread in Europe, Indians had already developed lactose tolerance by the time they started cultivating rice.
[1]:
http://sourcing.indiamart.com/agriculture/articles/origin-an...
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[1]: http://sourcing.indiamart.com/agriculture/articles/origin-an...