The DNA scans, the first of an expected wave of attempts to use genes to enhance athletic performance, can steer children toward games they are most likely to win — and perhaps get scholarships to play, the companies say. The tests also let children — and adults — tailor workouts to their innate skills, the firms say, as well as spot those prone to life-threatening heart problems, concussions and other injuries…

“This is really disturbing,” said Lainie Friedman Ross, a pediatrician and bioethicist at the University of Chicago. “Sports and physical activity should be fun for kids. It shouldn’t be, ‘You’re going to be the world’s greatest athlete’ or ‘Give up now, kid, because you won’t have a chance’ because of your genes.”