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No, we can not all agree that R1b and R1a are "Indo-European" haplogroups. These two haplogroups are just too old to be connected to the Indo-Europeans. Specific clades of these haplogroups can be considered as "indo-European" but these clades are the minority. R1b evolved in West Asia and all basal forms of R1b exist only there (R1b*, R1b-L389* etc.). So many of the R1b clades are of pre-Indo-European-Proto-Near Eastern stock.
Originally Posted by Fluffy
1 59.1% Saudi + 40.9% North_Ossetian
2 63.3% Saudi + 36.7% Lezgin
3 59.4% Saudi + 40.6% Chechen