Jiankui listed five principles that should be followed when deciding whether to edit human embryos: Mercy for families in need: For a few families, early gene surgery may be the only viable way to heal a heritable disease and save a child from a lifetime of suffering.… Only for serious disease, never vanity: Gene surgery is a serious medical procedure that should never be used for aesthetics, enhancement, or sex selection.… Respect a child’s autonomy: A life is more than our physical body.… Genes do not define you: Our DNA does not predetermine our purpose or what we could achieve. We flourish
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