The CRISPR-baby scandal: what’s next for human gene-editing


By engineering mutations into human embryos, which were then used to produce babies, He leapt capriciously into an era in which science could rewrite the gene pool of future generations by altering the human germ line. He also flouted established norms for safety and human protections along the way. 

NATURE.COM
As concerns surge after a bombshell revelation, here are four questions about this fast-moving field.

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