雙股斷裂(英語:double-strand break縮寫DSB),又稱雙鏈斷裂,是指雙股DNA分子的兩條單鏈在同一位置被切割時發生的現象。雙股斷裂可誘發DNA修復,可能造成遺傳重組細胞也有一些系統作用於其他時候造成的雙股斷裂。

參見

  • 雙鏈斷裂重組模型

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