crossing over, genetic

Preferred Label : crossing over, genetic;

MeSH definition : 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.;

MeSH synonym : genetic crossing over; crossing overs; genetic crossing-over; crossing over; Crossing-Over, genetic;

MeSH annotation : do not confuse with CROSSES, GENETIC, the result of breeding 2 varieties of the same species; DF: CROSSING OVER; do not confuse with CROSSES, GENETIC, the result of breeding 2 varieties of the same species;

Details

Origin ID

D003434;

UMLS CUI

C0010366;

Allowable qualifiers
- drug effects [MeSH Qualifier]
- ethics [MeSH Qualifier]
- genetics [MeSH Qualifier]
- immunology [MeSH Qualifier]
- physiology [MeSH Qualifier]
- radiation effects [MeSH Qualifier]
Automatic exact mappings (from CISMeF team)
- Cross section [LOINC component]
- Crossed (qualifier value) [SNOMED CT concept]
- Crossover Study [NCIt concept]
- Genetic crossing over (finding) [SNOMED CT concept]
- crossed [SNOMED Notion]
- crossing over [IUPAC Term]
- genetic crossing over [SNOMED Notion]
- state crossing [IUPAC Term]
Ne pas confondre avec
- chromosome pairing [MeSH Descriptor]
Record concept(s)
- crossing over, genetic [MeSH concept]
See also
- chromosome pairing [MeSH Descriptor]
- pachytene stage [MeSH Descriptor]
- sister chromatid exchange [MeSH Descriptor]
Semantic type(s)
- Genetic Function [UMLS semantic type]
UMLS correspondences (same concept)
- Genetic crossing over (finding) [SNOMED CT concept]
- genetic crossing over [SNOMED Notion]

Keyword's position in hierarchy(ies) :

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