A Tufts expert discusses whether direct-to-consumer genetics testing kits really work,their privacy risks, and potential surprisesFor my family this past holiday season, and the most heated discussion was not generated from the normal suspects (politics or sibling dynamics),but rather from a Secret Santa gift: a 23andMe genetics testing kit given by an aunt to her niece. The kit’s premise is that by sending in a saliva sample, you can find out how much of your DNA hails from different parts of the world.
Source: tufts.edu