The saliva samples are sent to a lab, which tests for two key genetic markers

The genetic indicators are then posted on the user's profile, where they are compared with other users and a potential match can be made

A new dating site is embracing genetic science to match young professionals together, by testing the DNA of their customers to find certain indicators that make a good match.

The site, SingldOut.com, works by mailing out DNA testing kits to their customers, who then spit in a tube and send it back. The tube is then sent to a lab, where it is tested for the presence of two genetic markers.