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6342697
Les chromosomes
Description
L'essentiel en quelques vues
No tags specified
chromosome
carte mentale
3eme
biology
Mind Map by
Pierre Chany
, updated more than 1 year ago
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Created by
Pierre Chany
about 8 years ago
29
0
0
Resource summary
Les chromosomes
des bâtonnets visibles dans le noyau
uniquement à la multiplication cellulaire
Présents dans toutes les cellules
Rangés et classés dans un caryotype
par paire
selon la taille
46 dans notre espèce
Un nombre anormal
arrêt du développement de l'embryon
Des caractères différents : exemple trisomie 21
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