bivalent

bivalent Definition

bi·va·lent (---lənt)

adjective

Chem. divalent
Biol. double: said of a chromosome formed by two equivalent chromosomes that lie close together or appear to join completely during meiosis

noun

a double chromosome; dyad

bivalent Usage Examples

Converse of object

form: At the first division, the maternal and paternal chromosomes fuse together to form a bivalent, during which crossing-over occurs.

Modifies a noun

vaccine: Because of a preliminary FMD diagnosis of both 0 and Asia, an order for a bivalent vaccine was placed.
bridge: A polyvalent bridge may often be considered as a combination of two bivalent simple bridges - one first-order and the other dependent.

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