divalent

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divalent

 [di-va´lent]
bivalent; having a valence of two.

bi·va·lent

(bī-vā'lent, biv'ă-lent),
1. Having a combining power (valence) of 2.
See also: tetrad. Synonym(s): divalent
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.

divalent

(dī-vā′lənt)
adj.
1. Chemistry Having a valence of 2.
2. Immunology
a. Having two sites of attachment. Used of an antibody or antigen.
b. Containing antigens from two strains of a microorganism or virus. Used of a vaccine or serum.

bi·va·lent

(bī-vā'lĕnt)
1. Having a combining power (valence) of two.
Synonym(s): divalent.
2. 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.