sister chromatid exchange

  • SCE
German: Schwesterchromatid-Austausch
Japanese: 姉妹染色分体交換

Genetics. A reciprocal exchange of parts of DNA molecules between sister chromatids at homologous gene loci during meiosis or mitosis. It can be induced by ultraviolet and ionizing radiation or by mutagenic agents and is observed by autoradiography.

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