Summary
Samenvatting Overzicht mitose + meiose - vwo 4
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Overzicht/verschil mitose en meiose.
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yvonne5
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Begin deling: 1 chromosoom = 2 chromatidenEind deling: 1 chromosoom = 1 chromatide
Mitose 2n=4 (2n 2n + 2n)
Interfase Profase Prometafase
- Geen chromosomen zichtbaar - Centrosoom1 verdubbeld - Centrosomen vormen een spoelfiguur van
- DNA-replicatie - DNA spiraliseert (korter en dikker) microtubuli
- Kernmembraan verdwijnt
Metafase Anafase Telofase
- Chromosomen liggen in een vlak tussen - Centrosoom verdubbeld - Celmembraan vormt om de chromosomen
centrosomen - DNA spiraliseert2 (korter en dikker) - De cel snoert zich tussen beide kernen in
- De microtubuli hecht zich aan de centromeren
1
In het centrosoom liggen centriolen (bij dierlijke cellen)
2
Na de celdeling ontrolt het DNA weer (niet meer te zien met lichtmicroscoop)
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