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CHIASMA [1 record]

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Alphabetical list of terms

Record 1 2003-06-12

English

Subject field(s)
  • Genetics
DEF

An X-shaped junction where nonsister chromatids are in contact during the prophase of meiosis. They are thought to be the visible signs of recombination (crossing over). They appear during the diplotene stage and move toward the ends of the chromatids (a process called terminalization).

OBS

Chiasmata is the plural form of chiasma.

French

Domaine(s)
  • Génétique
DEF

Point de croisement de deux chromatides où un échange équilibré de matériel génétique s'effectue par cassure puis recollement.

Spanish

Campo(s) temático(s)
  • Genética
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