Gene-editing technologies aren’t ready for use in human embryos for creating a pregnancy because scientists don’t yet understand how to make precise fixes without also introducing unwanted and potentially dangerous changes, according to a report issued Thursday by an international commission. And even after the technology advances to become less risky, societal debate is still needed on the ethical questions involved in making changes to human eggs, sperm or embryos—also known as germline editing—because any modifications...

Source: Wall Street Journal September 03, 2020 15:11 UTC