mitose.py

Created by hicham-choukour

Created on November 29, 2023

670 Bytes

les phases de la mitose:
  

-Prophase

Disparition de la membrane 
nucléaire Les chromosomes a 
deux chromatides deviennent 
visibles (ils se condensent)


-Métaphase

Les chromosomes a deux 
chromatides s'alignent sur
l'équateur de la cellule 
Chaque chromatide est alors
de chaque côte de l'équateur


-Anaphase

Les chromatides d'un même
chromosome se séparent au
niveau de leur centromère
et migrent de part et d'autre
de la cellule assurant ainsi
la répartition équitable du
matériel génétique


-Télophase

On obtient deux lots 
identiques de chromosomes
simples et l'enveloppe 
nucléaire se reforme, les
chromosomes se décondensent

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