Blood Matters: From Inherited Illness to Designer Babies, How the World and I Found Ourselves in the Future of the Gene

In 2004 genetic testing revealed that Masha Gessen had a mutation that predisposed her to ovarian and breast cancer. The discovery initiated Gessen into a club of sorts: the small (but exponentially expanding) group of people in possession of a new and different way of knowing themselves through what is inscribed in the strands of their DNA. As she wrestled with a wrenching personal decision—what to do with such knowledge—Gessen explored the landscape of this brave new world, speaking with ot…