Are J1 and J2 Y-DNAs originally from Caucasus Hunter Gatherers?
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Are J1 and J2 Y-DNAs originally from Caucasus Hunter Gatherers?
J1 is mostly Semitic as far as I know. J2 is mostly Caucasian. Its frequency peaks in Chechens and Ingush.
Both are CHG in origin as far as I know. J2 mixed with EHG to produce Yamnayans but it is high in non IE Kavkazians too. J1 took more southernly migration route and today peaks among Semites.
I read somewhere J1 is by early origin Kavkazian and J2 Iranian, from Zagros mountains.
J2 probs. J1 is mainly Semetic/Arabid.
Ottoman Empire originated in Northwest Anatolia, not Arabian peninsula
Caucasus Hunter Gatherer admixture is not minor among Arabians and J1 might have come there via CHG males
North Africa is predominantly Natufian (ghost population which is heavily related with Semites and Arabs) by male lineage (Y-DNA)