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In this Oct. 9, 2018, photo, Zhou Xiaoqin, left, and Qin Jinzhou, an embryologist who were part of the team working with scientist He Jiankui, view a time lapse image of embryos on a computer screen at a lab in Shenzhen in southern China

In this Oct. 9, 2018, photo, Zhou Xiaoqin, left, and Qin Jinzhou, an embryologist who were part of the team working with scientist He Jiankui, view a time lapse image of embryos on a computer screen at a lab in Shenzhen in southern China