bivalent definition

  • adjective:
    • Chemistry Divalent.
    • Biology comprising a couple of homologous, synapsed chromosomes, as happens during meiosis; twice.
    • Having a valence of 2.
    • Of, or relating to a couple of homologous synapsed chromosomes that occur during meiosis.
    • Equivalent in combining or displacing capacity to two atoms of hydrogen; dyad.
    • used of homologous chromosomes associated in sets in synapsis
    • having a valence of two or having two valences
  • noun:
    • Biology a couple of homologous, synapsed chromosomes connected together during meiosis.
    • Any bivalent chromosome.
  • others:
    • In chem., applied to a component an atom which can change two atoms of hydrogen or other univalent factor, or even to a radical which includes similar valence as a bivalent atom.
    • In cytology, having twice as distinguished from solitary (univalent) chromosomes in the o√∂cytes and spermatocytes, as in one of many types of the roundworm of this horse (Ascaris megalocephala).

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