Definición de univalent en inglés:

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Pronunciación: /ˌjuːnɪˈveɪl(ə)nt/


1 Biology (Of a chromosome) remaining unpaired during meiosis.
Oraciones de ejemplo
  • Neither fold backs and pairing partner switches characteristic of nonhomologous synapsis nor univalent chromosomes were observed, although some short regions at distal ends of chromosomes could be unsynapsed (image not shown).
  • To ask which general class of events might be affected, we examined the transmission of univalent chromosomes.
  • Mutants in all three meiotic genes display diakinesis oocytes containing 12 individual DAPI - stained bodies corresponding to achiasmate univalent chromosomes.
2 Chemistry another term for monovalent.
Oraciones de ejemplo
  • This latter explanation fits with ionic current data that have shown that C-type inactivation is accelerated when the extracellular cation concentration is changed or univalent metal cations are removed altogether.
  • The complications arising from quadrivalent or trivalent plus univalent formation are not considered in this article.
  • Formation of ROS occurs through several univalent reduction steps, yielding first the superoxide anion, then hydrogen peroxide and the hydroxyl radical, and finally water.


A univalent chromosome.
Oraciones de ejemplo
  • All alien chromosomes behaved as univalents during meiosis.
  • Chromosome configurations at metaphase I of two triploids and two aneuploids were comprised of univalents, bivalents, and trivalents.
  • Their nuclei contain univalents as well as bivalents at diakinesis and metaphase I.

For editors and proofreaders

Saltos de línea: uni|va¦lent

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