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Jewish Genetics: Abstracts and Summaries

A collection of abstracts and reviews of books, articles, and genetic studies

This section is the most comprehensive summary of Jewish genetic data. In recent years, advances in genetic technology and the broadening in scope of genetic studies to encompass more ethnic groups have allowed scientists to come to more accurate conclusions. Now that we have the benefit of more than a decade of comprehensive genetic testing of Jewish populations using modern techniques, we have finally come close to answering all the questions about Jewish ancestry. Part of the story is that Eastern European Jews have significant Eastern Mediterranean elements which manifest themselves in close relationships with Kurdish, Armenian, Palestinian Arab, Lebanese, Syrian, and Anatolian Turkish peoples. This is why the Y-DNA haplogroups J and E, which are typical of the Middle East, are so common among them. Jewish lineages from this region of the world derive from both the Levant and the Anatolia-Armenia region. At the same time, there are traces of European (including Northern Italian and Western Slavic or Eastern Slavic) and Khazar ancestry among European Jews. Many Greek and Roman women married Jewish men before conversion to Judaism was outlawed by the Roman Empire, and many of the Southern European ancestral lines in Ashkenazic families come from these marriages. Ethiopian Jews mostly descend from Ethiopian Africans who converted to Judaism, but may also be related to a lesser extent to Yemenite Jews. Yemenite Jews descend from Arabs and Israelites. North African Jewish and Kurdish Jewish paternal lineages come from Israelites. Jewish Y-DNA tends to come from the Middle East, and that studies that take into account mtDNA show that many Jewish populations are related to neighboring non-Jewish groups maternally. All existing studies fail to compare modern Jewish populations' DNA to ancient Judean DNA and medieval Khazarian DNA, but in the absence of old DNA, comparisons with living populations appear to be adequate to trace geographic roots.

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