In U.S. first, scientists edit genes of human embryos

Last Updated Jul 27, 2017 1:50 PM EDT

For the first time in the United States, scientists have edited the genes of human embryos , a controversial step toward someday helping babies avoid inherited diseases.

According to MIT Technology Review , which first reported the news on Wednesday, the experiment was just an exercise in science — the embryos were not allowed to develop for more than a few days and were never intended to be implanted into a womb.

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