Dictionary

¹quadrivalent

adjective quad·ri·va·lent \ˌkwä-drə-ˈvā-lənt, in sense 2 kwä-ˈdri-və-lənt\

Definition of QUADRIVALENT

: composed of four homologous chromosomes synapsed in meiotic prophase

International Scientific Vocabulary

First Known Use: 1865

noun

: a quadrivalent chromosomal group

1923

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