In November of 2018, Jiankui He, a Chinese biophysicist, announced to the world that he had created the first ever CRISPR-edited human babies. The experiment resulted in twin girls, Lulu and Nana, who developed from embryos with a modified version of the CCR5 gene meant to increase resistance to HIV. The experiment was riddled with breaches and blunders, and it quickly became an international scandal. At the end of 2019, He was sentenced to three years in prison for “illegal medical practices.” All of the flaws in He’s experiment highlight just how far we still have to go before embryonic…
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