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Year in Review Genetics

CRISPR gene editing moved into new territory in 2017

Debates about when and how to use the tool in humans take on new urgency

single cell embryo

HUMAN DEBUT  In the last year, research teams have announced CRISPR gene editing in viable human embryos (single-cell embryo shown).

Claude Cortier/Science Source

By Tina Hesman Saey

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