MIT Technology Review
BIOTECHNOLOGY AND HEALTH
DNA tests for IQ are coming, but it might not be smart to take one
Scientists have linked hundreds of genes to intelligence. One psychologist says it’s time to test school kids.
By
April 2, 2018
For decades genetic researchers have sought the hereditary factors behind intelligence, with little luck. But now gene studies have finally gotten big enough—and hence powerful enough—to zero in on genetic differences linked to IQ.
A year ago, no gene had ever been tied to performance on an IQ test. Since then, more than 500 have, thanks to gene studies involving more than 200,000 test takers. Results from an experiment correlating one million people’s DNA with their academic success are due at any time.
Scientists have linked hundreds of genes to intelligence. One psychologist says it’s time to test school kids.
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