Originally Posted by
black hole
Haplogroups do not represent ethnicity, but they identify their original birthplace, in my case J haplogroup is Transcaucasus region from where J2 migrated to West and South. The majority of modern Jews (Ashkenazi and Sephardic) carry J2a and J1 paternal haplogroups. Those R1b, R1a and the rest just adopted either language, religion or culture, but not original genes. Abraham was J.
R haplogroups are steppe nomad pastoralists, and they have nothing to do with Mediterranean nor Western Asia.