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Robert Klitzman on Discovering One’s Ancestry Through Genetic Testing

Men’s Health quotes Bioethics director Dr. Robert Klitzman in their feature on uncovering one’s genealogy through genetic testing.

In “Everything You Think You Know about Your Ethnicity (and Your Family) Might Be Wrong,” Klitzman explains how genetic sequencing works: “Your whole DNA sequence consists of four molecules, or 'letters,' arranged in a long sequence of 3 billion pairs. These tests look at only a fraction of the sequence. It's like looking at the first letter on every page of a book." Regarding ancestry, Klitzman says, “People are more mixed than they think. It's not as if people just stayed in their backyards throughout history.”

Read the rest of the article in Men’s Health.