Genetic studies on Jews In 2012, two major genetic studies were carried out under the leadership of Harry Ostrer, from the Albert Einstein College of Medicine. The results were published in the Proceedings for the National Academy of Sciences. The genes of 509 Jewish donors from 15 different backgrounds and 114 non-Jewish donors of North African origin were analyzed. Ashkenazi, Sephardi, and Mizrahi Jews were found to be closer genetically to each other than to their long-term host populations, and all of them were found to have Middle Eastern ancestry, together with varying amounts of admixture in their local populations. Mizrahi and Ashkenazi Jews
Ethnoreligious group ethnoreligious groups are traditional Anabaptist groups like the Old Order Amish, the Hutterites, the Old Order Mennonites and traditional groups of German speaking Mennonites from Russia, like the Old Colony Mennonites. All these groups have a shared German background, a shared German dialect as their every day language (Pennsylvania German, Hutterisch, Plautdietsch) and a shared version of their Anabaptist faith, a shared history of several hundred years and they have accepted very few outsiders into their communities in the last 250 years. Modern proselytizing Mennonite groups, like e.g. the Evangelical Mennonite Conference whose members have lost their shared ancestry, their