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Concept information

Genetic Phenomena > Recombination, Genetic > Homologous Recombination > Crossing Over, Genetic

Terme préférentiel

Crossing Over, Genetic  

Type

  • mesh:Descriptor

Définition

  • The reciprocal exchange of segments at corresponding positions along pairs of homologous CHROMOSOMES by symmetrical breakage and crosswise rejoining forming cross-over sites (HOLLIDAY JUNCTIONS) that are resolved during CHROMOSOME SEGREGATION. Crossing-over typically occurs during MEIOSIS but it may also occur in the absence of meiosis, for example, with bacterial chromosomes, organelle chromosomes, or somatic cell nuclear chromosomes.

Concept générique

Concepts associés

Synonyme(s)

  • Crossing Over
  • Crossing-Over, Genetic

Qualificatif(s) autorisé(s)

Traductions

  • Crossing-over

    français

  • Enjambement (génétique)
  • Enjambement chromosomique

URI

http://data.loterre.fr/ark:/67375/JVR-BG7H9CC2-R

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RDF/XML TURTLE JSON-LD Date de création 01/01/1999, dernière modification le 17/06/2016