bivalent chromosome
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bivalent chromosome
[bī′vā·lənt ′krō·mə‚sōm] (cell and molecular biology)
The structure formed following synapsis of a pair of homologous chromosomes from the zygotene stage of meiosis up to the beginning of anaphase.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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