Scientists made 1 small edit to human embryos. It had a lot of unintended consequences.

A human embryo editing experiment gone wrong has scientists warning against treading into the field altogether.

To understand the role of a single gene in early human development, a team of scientists at the London-based Francis Crick Institute removed it from a set of 18 donated embryos. Even though the embryos were destroyed after just 14 days, that was enough time for the single edit to transform into "major unintended edits," OneZero reports.

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