Genetic Evidence
The descent of the Kyrgyz from the autochthonous Siberian population is confirmed by genetic studies. For instance, 63% of modern Kyrgyz men of Jumgal District share Haplogroup R1a1 (Y-DNA) with Ishkashimis (68%), Tajiks of Panjikent (64%, three times more than other Tajiks), Poles (57%), Pashtuns (51%), Ukrainians (50%), Russians (47%), Bartangis (40%), and even Icelanders (25%). Low diversity of Kyrgyz R1a1 indicates a founder effect within the historical period. Haplogroup R1a1 (Y-DNA) is often believed to be a marker of the Proto-Indo-European language speakers.
Another example of a Siberian haplogroup is N1b, found in the Pamir Kyrgyz of Tajikistan (29%). All the other populations with a considerable frequency of this haplogroup are found only in Russia.
Other groups of Kyrgyz show considerably lower haplogroup R frequencies and almost lack haplogroup N.
Because of the processes of migration, conquest, intermarriage, and assimilation, many of the Kyrgyz peoples who now inhabit Central and Southwest Asia are of mixed origins, often stemming from fragments of many different tribes, though they speak closely related languages.
Read more about this topic: Kyrgyz People
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