Sephardi Jews other, based upon such features as physical traits and culture. In some instances, Sephardi Jews have joined Ashkenazi communities, and have intermarried. Sephardic Jews are genetically related closely to their Ashkenazi Jewish counterparts as both diverged from the same cluster of ancient Iraqi and Iranian Jews approximately 2,500 years ago. Due to their origin in the Mediterranean basin, there is a higher incidence of certain hereditary diseases and inherited disorders in Sephardi Jews. However, there are no specifically Sephardic genetic diseases, since the diseases in this group are not common to Sephardic Jews in general, but are instead common in
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