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US doctor warns against backlash over claim of gene-edited babies

A prominent American scientist is warning against a backlash to the claim that a Chinese scientist has helped make the world’s first gene-edited babies. Harvard Medical School dean Dr. George Daley says it would be unfortunate if a misstep with a first case led scientists and regulators to reject the good that could come from altering DNA to treat or prevent diseases. Daley spoke Wednesday at an international conference in Hong Kong, where the Chinese scientist, He Jiankui of Shenzhen, also is scheduled to speak. He says his lab used the powerful gene-editing tool CRISPR to alter the DNA of human embryos to try to help them resist possible future infection with the AIDS virus. He said twin girls with the altered genes were born ear ...
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