bivalent

(bī-vā'lənt)
adj.

1. Chemistry. Divalent.
2. Biology. Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis; double.

n. Biology
A pair of homologous, synapsed chromosomes associated together during meiosis.

bivalence bi·va'lence or bi·va'len·cy n.

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Variant: divalent

Having a valency of two.

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IN BRIEF: adj. - Used of homologous chromosomes associated in pairs in synapsis; Having a valence of two or having two valences.

Tutor's tip: "Bivalence" is the ability of an atom to combine with two other atoms, while "bivalents" are double chromosomes.

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1. having a valence of two.
2. denoting homologous chromosomes associated in pairs during the first meiotic prophase.

See words rhyming with "bivalence."