A Genetic Portrait : What's in America's DNA?
Photo by Hatnim Lee ©2008 National Geographic
Americans like to think of their country as a cultural melting pot. But that diversity can make it difficult for those trying to trace their ancestry. DNA testing is teaching us more about our nation's earliest settlers and providing interesting, often surprising, insights into our shared past. Geneticist Bryan Sykes joins Kojo to explore what he uncovered on a trip across the United States.