Genetic studies on Jews Israel throughout the Old World". Regarding the samples he used, Behar says, "Our conclusion favoring common ancestry (of Jewish people) over recent admixture is further supported by the fact that our sample contains individuals that are known not to be admixed in the most recent one or two generations." A study led by Harry Ostrer published on June 11, 2010, found close links between Ashkenazi, Sephardi, and Mizrahi Jews, and found them to be genetically distinct from non-Jews. In the study, DNA from the blood of 237 Jews and about 2,800 non-Jews was analyzed, and it was determined how closely
Ethnoreligious group and ancestral ties. The legal assignement what is an ethnoreligious group can differ from the above given definition. Some ethnoreligious groups' identities are reinforced by the experience of living within a larger community as a distinct minority. Ethnoreligious groups can be tied to ethnic nationalism if the ethnoreligious group possesses a historical base in a specific region. In many ethnoreligious groups emphasis is placed upon religious endogamy, and the concurrent discouragement of interfaith marriages or intercourse, as a means of preserving the stability and historical longevity of the community and culture. Prior to the Babylonian exile the Israelites had already