| 释义 |
breakage and reunion
breakage and reunion[′brāk·ij ən rē′yün·yən] (cell and molecular biology) The classical model of crossing over by means of physical breakage and crossways reunion of completed chromatids during the process of meiosis. breakage and reunion
breakage and reunion A term referring to the mechanics of genetic recombination, in which 2 DNA duplexes are broken at corresponding points and then rejoined crosswise, a process which requires heteroduplex DNA formation. |