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Crispr Gene Editing Can Lead to Big Mistakes in Human Embryos – The Wall Street Journal

Columbia University study of Crispr technology found it made unwanted chromosomal changes in human embryos

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Scientists using the Crispr gene-editing technology in human embryos to try to repair a gene that causes hereditary blindness found it made unintended and unwanted changes, frequently eliminating an entire chromosome or large sections of it.
The study published Thursday in the journal Cell comes as the international scientific community continues to grapple with the potential use of Crispr for editing human embryos that would be intended for creating a pregnancy and birth.
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