He used a tool called CRISPR to disable a gene that allows HIV to infect cells, with one pregnancy resulting thus far. AP Chinese scientist He Jiankui has claimed to have gene-edited twin baby girls. Scientists who had just landed in Hong Kong for the international summit on gene editing said the news took them by surprise. The university's biology academic committee "believes that Dr Jiankui He's conduct ... to edit human embryos has seriously violated academic ethics and codes of conduct." The claims were unverified, but they amplified ethical discussions about the possibility and triggered calls for banning human cloning.

Source: Stuff November 26, 2018 17:48 UTC