Why are scientists chiding the Chinese creator of genetically edited babies

Heritable human genome editing poses a significant existential threat because changes may persist throughout the human population for generations, with unknown risks

The media is buzzing with the surprise news that a Chinese researcher, Jainkui He, has created the world’s first genome-edited twins. He did this, ostensibly, to provide resistance to HIV, the virus that causes AIDS.

Prof. He, reportedly working with former Rice University supervisor Michael Deem, capitalized on work in 2012 by Jennifer Doudna and Emmanuel Charpentier, who introduced a new and easier way of altering the DNA of human and non-human organisms using CRISPR-Cas9 technology. He also built upon the work of molecluar biologist Feng