An American doctor warns of the negative consequences of a baby claim modified by a gene

by MARILYNN MARCHIONE, AP Chief Medical Editor

Feng Zhang, center, member of the Harvard Institute and Broad Institute of MIT, reacts to reporters on the problem of the first genetically modified babies in the world after the conference on human genome editing in Hong Kong Tuesday, November 27, 2018. He Jiankui, a Chinese According to the researcher, he contributed to the creation of the world's first genetically modified twinned baby, whose DNA he modified with a powerful new tool able to rewrite the model itself of life. If this is true, it would be a giant leap forward in science and ethics. (AP Photo / Vincent Yu)

A prominent American scientist warns of a brutal reaction to the claim that a Chinese scientist would have helped to create the first baby in the world to be edited by a gene.

Dr. George Daley, dean of the medical school at Harvard Medical School, said it would be unfortunate that an error in one case would lead scientists and regulators to reject the good that could come from the modification of DNA to treat or prevent diseases.

Daley spoke Wednesday at an international conference in Hong Kong, where Chinese scientist He Jiankui (HEH JEE-ahn-qway) from Shenzhen was also scheduled to speak.

He says he changed the binoculars' DNA when they were designed to try to help them resist a possible infection with the AIDS virus.

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