29 May 2019

Phys.org: Ashkenazic Jews' mysterious origins unravelled by scientists thanks to ancient DNA

For a more scientific take on the Jewish origin debate, recent DNA analysis of Ashkenazic Jews – a Jewish ethnic group – revealed that their maternal line is European. It has also been found that their DNA only has 3% ancient ancestry which links them with the Eastern Mediterranean (also known as the Middle East) – namely Israel, Lebanon, parts of Syria, and western Jordan. This is the part of the world Jewish people are said to have originally come from – according to the Old Testament. But 3% is a minuscule amount, and similar to what modern Europeans as a whole share with Neanderthals. So given that the genetic ancestry link is so low, Ashkenazic Jews most recent ancestors must be from elsewhere. [...]

The tolerance of the Persians encouraged the Jews to adopt Persian names, words, traditions, and religious practices, and climb up the social ladder gaining a monopoly on trade. They also converted other people who were living along the Black Sea, to their Jewish faith. This helped to expand their global network. [...]

What happened next was that the Jewish empire began to collapse. By the tenth century, the Jews on the Black Sea migrated to Ukraine and Italy. Yiddish became the lingua franca of these Ashkenazic Jews and absorbed German words while maintaining the Slavic grammar. And as global trade moved to the hands of the Italians, Dutch and English, the Jews were pushed aside.

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