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PACHYTENE [1 record]

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Record 1 2003-06-02

English

Subject field(s)
  • Genetics
DEF

In meiosis, the stage following synapsis in which the homologous chromosome threads shorten, thicken, and intertwine.

French

Domaine(s)
  • Génétique
DEF

Troisième stade de la première division méiotique où les 2 chromosomes homologues accolés apparaissent sous forme de bivalents. (FLAME)

CONT

Dès la phase zygotène de la prophase 1 (synapsis), les deux chromosomes X homologues (paternel et maternel) s'apparient et s'accolent suivant leur longueur. Cet accolement forme donc un bivalent qui, à la phase suivante (pachytène) va se raccourcir et s'épaissir. (ESSE Vol. 14, 3, 1977, p. 2)

Spanish

Campo(s) temático(s)
  • Genética
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