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Origins of East Caucasus Gene Pool: Contributions of Autochthonous Bronze Age Populations and Migrations from West Asia Estimated from Y-Chromosome Data
The gene pool of the East Caucasus, encompassing modern-day Azerbaijan and Dagestan populations, was studied alongside adjacent populations using 83 Y-chromosome SNP markers. The analysis of genetic distances among 18 populations (N = 2216) representing Nakh-Dagestani, Altaic, and Indo-European language families revealed the presence of three components (Steppe, Iranian, and Dagestani) that emerged in different historical periods. The Steppe component occurs only in Karanogais, indicating a recent medieval migration of Turkic-speaking nomads from the Eurasian steppe. The Iranian component is observed in Azerbaijanis, Dagestani Tabasarans, and all Iranian-speaking peoples of the Caucasus. The Dagestani component predominates in Dagestani-speaking populations, except for Tabasarans, and in Turkic-speaking Kumyks. Each component is associated with distinct Y-chromosome haplogroup complexes: the Steppe includes C-M217, N-LLY22g, R1b-M73, and R1a-M198; the Iranian includes J2-M172(×M67, M12) and R1b-M269; the Dagestani includes J1-Y3495 lineages. We propose J1-Y3495 haplogroup’s most common lineage originated in an autochthonous ancestral population in central Dagestan and splits up ~6 kya into J1-ZS3114 (Dargins, Laks, Lezgi-speaking populations) and J1-CTS1460 (Avar-Andi-Tsez linguistic group). Based on the archeological finds and DNA data, the analysis of J1-Y3495 phylogeography suggests the growth of the population in the territory of modern-day Dagestan that started in the Bronze Age, its further dispersal, and the microevolution of the diverged population.
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Target: kesseras_simulated_g25_scaled
Distance: 3.0539% / 0.03053918
63.2 Kura-Araxes
16.2 Turkic
15.0 West_Caucasus_BA
4.6 Late_Kubano-Tersk
1.0 Steppe_EMBA
Distance to: kesseras_simulated_g25_scaled
0.06144131 Kura-Araxes
0.06299342 Dagestan_A_224
0.07396780 West_Caucasus_BA
0.12894221 Late_Kubano-Tersk
0.18710551 Steppe_EMBA
0.24622285 Turkic
4.92916107 Noise
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Averages from Genoplot:
Kura Araxes
Gedrosia: 24.77%
Siberian: 0.09%
Northwest African: 0.96%
Southeast Asian: 0.46%
Atlantic Med: 2.41%
North European: 7.16%
South Asian: 1.24%
East African: 0.47%
Southwest Asian: 9.02%
East Asian: 0.00%
Caucasus: 53.19%
Sub Saharan: 0.23%
Afanasievo
Gedrosia: 27.96%
Siberian: 2.87%
Northwest African: 0.00%
Southeast Asian: 0.03%
Atlantic Med: 2.93%
North European: 58.35%
South Asian: 1.08%
East African: 0.21%
Southwest Asian: 0.00%
East Asian: 0.06%
Caucasus: 5.86%
Sub Saharan: 0.66%
Maykop
Gedrosia: 22.19%
Siberian: 0.00%
Northwest African: 0.76%
Southeast Asian: 0.44%
Atlantic Med: 5.11%
North European: 6.85%
South Asian: 1.62%
East African: 0.00%
Southwest Asian: 5.79%
East Asian: 0.24%
Caucasus: 56.42%
Sub Saharan: 0.58%
All ancient pops ancestral to Dagestanis score high Gedrosia on this calculator; hence, Dagestanis score high Gedrosia likely.
Last edited by axlredneck; 02-23-2024 at 06:01 AM.
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Nogai outliers (n=3) with a Dagestani profile (from Moriopoulus collection)
Code:Nogai_o,0.11534067,0.098845,-0.019359,0.019164667,-0.035391333,0.015246,0.0096353333,-0.0034613333,-0.055698667,-0.040577667,-0.0052506667,0.0061446667,-0.0087213333,-0.0096796667,0.010948333,-0.0041986667,0.000739,-0.000929,-0.0041896667,0.0062113333,-0.00020766667,0.0056883333,0.0038616667,0.0077116667,-0.0044306667
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Do you think they are the darkest people in Dagestan after the Azerbaijanis? Overall, is the Northwestern Caucasus (Circassians and Karachay-Balkars) lighter or darker than the Northeastern Caucasus? I think in Dagestan and Chechnya there are quite a few light people, sometimes very white like Northern Europeans.
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