1
https://en.wikipedia.org/wiki/Y-DNA_...f_the_Caucasus
Read it. All gentic researches show that cca. 60% of Avar males carry J1 haplogroup, by far mot common among that ethnic group. And no, it doesn't come from Arabs. Avars have nothing to do with Arabs genetically.
J1- Dagestani peoples (Dargins, Lezgins, Avars) belong predominantly to haplogroup J1 (84% among the Dargins) and almost completely lack J2 lineages. The true lineage of the historic Arab people (so mainly from Jordan and Saudi Arabia) is J1-YSC235 and its subclade, J1-P858. The other subclades of J1 cannot be considered to be the paternal descendants of first speakers of Arabic.
http://www.eupedia.com/europe/Haplogroup_J1_Y-DNA.shtml
Surprisingly, even in the Caucasus and in Anatolia, the region where this haplogroup is thought to have originated, there are wide discrepancies between regions. For example, the Kubachi and Dargins from Dagestan in the Northeast Caucasus have over 80% of J1 lineages, while in their Ingush neighbours, 200 km to the north, it barely reaches 3%. East Anatolia around Lake Van sees over 30% of J1, whereas south-west Anatolia has only 2%. Even within Kurdistan frequencies vary greatly. The small sample sizes for each region is surely to blame.
Most of the J1 in the Caucasus, Anatolia and Europe is of the non-J1-P58 variety. These branches diverged from one another during the Ice Age and have nothing to do with Semitic people. In fact the origins of J1 lie around the Caucasus, which explains that all branches other than P58 are most common in that region, as well as in Anatolia and Europe.
G2a and J1 reach their maximal frequencies in the Caucasus, some ethnic groups being almost exclusively J1 (Kubachis, Kaitaks, Dargins, Avars)
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