Researchers analysed thousands of laboratory-made plasmids and discovered that nearly half of them had defects, raising questions of experimental reproducibility.
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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.
“The main purpose of the test is to maximize performance in the minimum amount of time and minimize risk,” said Bill Miller, chief executive of American International Biotechnology Services in Richmond, which began selling the test three weeks ago.
Critics, however, see the kits as the latest in a flood of questionable genetic tests that entrepreneurs are hawking. No one can accurately gauge the influence of genes on athletic abilities...