Add one fa­tal flaw to Jiankui He's litany of mis­takes in CRISPR ba­by de­ba­cle

Sci­en­tists the world over have found plen­ty of rea­sons to con­demn their Chi­nese col­league Jiankui He’s ex­per­i­ment with the world’s first CRISPR ba­bies late 2018: The al­leged med­ical need to con­fer HIV im­mu­ni­ty was un­found­ed, the con­sent process seemed du­bi­ous, the ac­tu­al gene edit­ing ap­peared spot­ty, just to name a few. But a new re­search pa­per may have un­cov­ered the most stag­ger­ing of them all.

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