Modelová Otázka ID 2998 - 
Sekundární konstrikce vymezuje ______ od zbytku chromozomu:
Správná odpověď je: A
Sekundární konstrikce (doslova znamená „druhé zúžení“) vymezuje satelit od zbytku chromozomu. Akrocentrické chromozomy mají velmi krátká ramena, na kterých je oddělen zmíněný satelit. Tato struktura vytváří tzv. organizátor jadérka a obsahuje geny pro syntézu rRNA.
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