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Meiose

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Wie nennt man die Meiose auch noch? Man nennt sie auch noch Reifeteilung.
Was passiert in der Meiose? In der Meiose wird die Chromosomenzahl von 64 auf 23 verringert.
Wann gehen die Chromosomen in die Äquatorialstellung? Sie gehen in der 2. Reifeteilung in die Äquatorialstellung.
Was passiert in der 1. Reifeteilung? Die Chromosomenpaare werden getrennt, sodass in den beiden Tochterzellen jeweils nur eins der homologen Chromosomen als 2-Chromatiden-Chromosom vorliegt. Auf diese Weise wird der diploide auf den haploiden reduziert.
Was passiert in der 2. Reifeteilung? Die Zelle trennt sich ungleichmäßig in eine große und eine kleine Zelle. In beiden Zellen befindet sich eins der homologen Chromosomen als 2-Chromatid-Chromosom. Diese beiden Zellen trennen sich erneut, die große wieder ungleichmäßig,
Zweiter Teil Antwort. die kleine gleichmäßig, sodass drei kleine und eine große Zelle vorliegen. Die Chromosomen wurden auch getrennt, sodass nun in jeder Zelle nur noch 1-Chromatiden-Chromosomen vorliegen. Die drei kleineren Zellen sterben ab.
Created by: alecli
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