The final session in the Genealogy Classes series being conducted by the Stephenson County Genelogical Society at the Senior Activity Center is planned for 1 p.m. Monday, Sept. 17. The DNA 101 class focuses on all the questions related to testing for this building block of life. To test or not to test? The first question really is, “Why?” There are a number of reasons why people get their DNA tested but most are less than certain of the other “W’s.” What company is best for your needs? Who will I find if I do test? When is the best time to order a test? How do I make best use of the results of my DNA test? We’ll discuss all of these questions and more on this incredibly invaluable genealogy resource.