The definitive guide to gene editing.
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Term · Editing

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The small stretch of DNA, usually four or five letters, within which a base editor can act. Anything editable inside it may be changed.

Written by The CRISPR Atlas editorial team Last updated Aug 19, 2026
Educational information only This page is a reference, not medical advice. Research and regulatory status change; check the last-updated date above and confirm anything important against the primary sources listed.