Crossing over

{
  "id": "MLC-T-AGR-001607",
  "term": "Crossing over",
  "field": "Agriculture and food",
  "definition": "The reciprocal exchange of segments at corresponding positions along pairs of homologous chromosomes by symmetrical breakage and crosswise rejoining forming cross-over sites 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.",
  "synonyms": [
    "chiasma frequency",
    "sister chromatid exchange"
  ],
  "subject": "Fields of Study",
  "see_also": [
    "genetic recombination",
    "cytogenetics",
    "genetic equilibrium"
  ],
  "references": [
    "Medical Subject Headings 2012",
    "NAL Agricultural Thesaurus and Glossary"
  ],
  "translations": {
    "es": "entrecruzamiento"
  },
  "url": "https://mlchart.com/terminology/agriculture/crossing-over/"
}