Abstract
A pattern of Y-chromosomal mutations in 37 and 67 marker haplotypes of the Jews and the Arabs indicates that their most recent common ancestor in haplogroup J1 (subclade J1e*) and that (a different one) in haplogroup J2 (subclade J2a*) lived 4300+/-500 years before present (ybp) and 4175+/-510 ybp, respectively, that is practically at the same time. Then a split between the Jewish and the Arabic lineages in both J1 and J2 haplogroups occurred, which is clearly visible on the respective haplotype trees. The data show that a common ancestor of Cohanim (Jewish High Priests) of haplogroup J1 lived 1070+/-170 ybp, while a common ancestor of Cohanim in haplogroup J2 lived 3300+/-400 ybp.
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Klyosov, A. Origin of the Jews and the Arabs: Date of their Most Recent Common Ancestor is Written in their Y-Chromosomes - However, There Were Two of Them. Nat Prec (2010). https://doi.org/10.1038/npre.2010.4206.1
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DOI: https://doi.org/10.1038/npre.2010.4206.1