Scientists Back Temporary Global Ban on Gene-Edited Babies

A scientist deposits an embryo into a microplate after injecting it with injecting Cas9 protein and PCSK9 sgRNA in a laboratory in Shenzhen, Guangdong Province, China on Oct. 9, 2018. Mark Schiefelbein/AP

NEW YORK—An international group of scientists and ethicists on March 13 called for a temporary global ban on making babies with edited genes.

It’s the latest reaction to last November’s announcement that gene-edited twins had been born in China, which was widely criticized.