There are lots of blond Jews, but fewer blond Arabs. Ashkenazic Jews have been living as a minority in northern Europe for at least 1000 years, and maintaining the rule that the child of a Jewish mother is a Jew regardless of paternity. The average European Jewish community appears to have suffered a massacre every few centuries, and during each of these, women survivors frequently suffered rapacious behavior. Conversions may also have contributed some fair hair, but they were comparatively rare. In contrast, Arabs, until recently, have not had a great diaspora where large numbers live as a minority among other peoples, and the identity of Arabs as Arabs may not be stable when they live as a minority in other peoples. Note that the question asked about Arabs and not Muslims. There are plen