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Haplogroup R (R, R1a, R1b) is Siberian, originated from there. Haplogroup I is native European. Haplogroup I and J are cousin haplogroups, derived from IJ. I’ve read from somewhere haplogroup R groups were bearers initially of agglutinative languages, check out the Turk tribe of Bashkirs who are dominant R1b. Arabic and Aryan languages whom Slavs are the forefathers of Aryan are both non agglutinative languages.
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