HONG KONG-CHINA-SCIENCE-GENETICS-RESEARCH-ETHICS

This picture taken on November 27, 2018 shows Jennifer Doudna (C), who co-created CRISPR, a technique which allows scientists to remove and replace a strand of DNA with pinpoint precision, speaking with the media during the Second International Summit on Human Genome Editing in Hong Kong. - Organisers of a summit in Hong Kong where scientist He Jiankui made claims he had created the world's first genetically-edited babies heavily criticised him as irresponsible November 29 and called for better supervision of the field. (Photo by ISAAC LAWRENCE / AFP) (Photo credit should read ISAAC LAWRENCE/AFP via Getty Images)