breakage and reunion
Also found in: Medical.
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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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