FamilyTree DNA is a well known genetic testing company and is a division of Gene by Gene. According to the website “Founded in 2000, FamilyTreeDNA pioneered the field of genetic genealogy—the use of DNA testing to establish relationships between individuals and determine ancestry. As leaders in the industry, we provide advanced technology for users to gain further insight into their family history—all with a simple swab of DNA.” The company also makes an effort to protect your information. This source can apply to and most benefit adoptees who are interested in exploring their DNA.