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- Current: Jun 18, 2023.
Chiasma (pl. Chiasmata)
Chiasma (pl. Chiasmata) is a point at which two homologous chromosomes attach during prophase I of meiosis.
Crossing over takes place at chiasmata.
Definitions in the literature
- a point at which a chromatid of one chromosome crosses with a chromatid of the homologous chromosome during prophase I of meiosis; the site of exchange of chromosomal material between chromosomes [1].
- Point of attachment between homologous chromosomes at which crossing over takes place [2].
