Helix, a DNA-testing startup that runs an "app store" for your genetic code, has raised $200 million. DFJ Growth Fund led the series B round, and former AOL CEO Barry Schuler, a partner at DFJ, is joining the company's board. Helix has so far inked 47 partnerships with companies to run tests on the Helix platform. The tests range in cost from around $20 to hundreds of dollars. A startup that runs a marketplace for DNA tests that cover everything from ancestry to your preference of wine has raised $200 million.