Pronunciation: bī-vā′lent, biv′ă-lent
- Having a combining power (valence) of 2.
- In cytology, a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis.
See Also: tetrad
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Examples: glitazone, GI cocktail, etc.