Students trace ancestry through DNA

Wire Services CHICAGO (AP) - Sixteen-year-old Diamond Howard is learning about world history, anthropology, sociology and biology using a one-of-a-kind tool: her own DNA. By contributing cells scraped from the inside of her cheek to the Genographic Project, the Chicago 10th-grader is adding her genetic code to a database that traces human migration back 60,000 years to Africa. Diamond, who is black, knows that some of her family came from Alabama, but her parents don't know much more about her family tree. She's curious whether some of her family might have traveled from Africa to the Middle East or other areas of the earth before coming to the United States. "It's great how science has evolved, it's a privilege to be linked back and prove