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Samenvatting erfelijkheidsleerLes 1
Menselijk lichaamorganenweefsel10 biljoen (10^14) cellen
1. Suikers worden omgezet, beetje DNA
2. Sorteercentrum en transport
3. DNA
4. Buizen die zorgen dat eiwitten goed
gevormd worden
5. Vertalen van informatie in een gen naar
een eiwit
6. Nucleolus: aanmaak en vertaling naar
eiwit
7. Cytoplasma: hier liggen de organellen
Chromosomen
Door chromosomen-elektronen microscopie 100 000 keer vergroot
“gekleurde lichaampjes”
Enkel te zien tijdens celdeling, anders is het chromatine
46 chromosomen per cel (genoom = allee genen die in iem. Zijn cellen zit)
o 44 autosomen, 1(grootst)-22(kleinst)
o 2 geslachtschromosomen = gonosomen
Telomeer op het einde van chromosoom en wordt korter bij elke celdeling (buiten bij
kankercellen)
Karyotype
Studie is cytogenetica
Rangschikken volgens:
o Grootte
o Positie centromeer
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