DIY DNA: Are the results accurate?
As many as 26 million people may have taken an at-home DNA test. If you're thinking of taking one, you have to prepare yourself for the results. You may discover things about your family tree that you didn't want to know. On the other hand, the results could yield a pleasant surprise. But how accurate are the results? We explore the world of at-home DNA testing. What would you discover if you took one?