How to Test for DNA

Can taking a DNA test shed light on your family history? It's hard to generalize, but more and more they are finding that DNA studies can help extend the family tree and possibly shed light on long-standing family mysteries. Of course, you have to know a little about the types of DNA tests and what they can or cannot reveal, as well as who in your family would be the most likely candidate for taking a test. This week, in his article, "How to Test for DNA," Alan Smith examines the process of locating a reputable company and ease with with which a test can be taken.