Genetic studies on Jews the Jewish diaspora, the genetic composition of Ashkenazi, Sephardi, and Mizrahi Jewish populations show significant amounts of shared Middle Eastern ancestry. According to Behar and colleagues (2010), this is "consistent with a historical formulation of the Jewish people as descending from ancient Hebrew and Israelites of the Levant" and "the dispersion of the people of ancient Israel throughout the Old World". Jews living in the North African, Italian, and Iberian regions show variable frequencies of admixture with the historical non-Jewish population along the maternal lines. In the case of Ashkenazi and Sephardi Jews (in particular Moroccan Jews), who are closely
Ashkenazi Jews in Israel class, and the disparity between Ashkenazim and Mizrahim diminished (but did not completely disappear), with Mizrahi political expression becoming increasingly linked to the Likud and Shas parties; Shas was founded as a party to represent Mizrahim while Likud, the largest right-wing party, in Israel became increasingly influenced by Mizrahi political articulation, with the Mizrahi middle class' political coming-of-age held by political science commentators to be embodied by the rise of Mizrahi Likud politicians such as Moshe Kahlon and Miri Regev. The Ashkenazi vote has, aside from electorally limited majority-Ashkenazi ultra-religious parties such as Habayit Hayehudi, long been associated with secularism