"This genetic research has clearly refuted the libel that the Ashkenazi Jews are not related to the ancient Hebrews, but are descendants of the Kuzar tribe – a pre-10th century Turko-Asian empire which reportedly converted en masse to Judaism. Researchers compared the DNA signature of the Ashkenazi Jews against those of Turkish-derived people, and found no correspondence."

www.aish.com/ci/sam/48936742.html