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 group An ethnoreligious group (or ethno-religious group) is an ethnic group whose members are also unified by a common religious background. In general ethnoreligious communities define their ethnic identity not only by ancestral heritage nor simply by religious affiliation but normally through a combination of both. An ethnoreligious group has a shared history and a cultural tradition - which can be defined as religious - of its own. In many cases ethnoreligious groups are ethno-cultural groups with a traditional ethnic religion; in other cases ethnoreligious groups begin as communities united by a common faith which through endogamy developed cultural