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Which event occurs during metaphase?
O The nuclear envelope breaks up and spindle forms.
O Sister chromatids are pulled apart to become separated chromosomes.
O Duplicated chromosomes line up in the middle of the cell.
O The nuclear envelope forms.



Answer :

GinnyAnswer

Final answer:

Metaphase: Duplicated chromosomes align in the middle of the cell with the assistance of spindle fibers.


Explanation:

During metaphase, the duplicated chromosomes line up in the middle of the cell. They align at the equator of the cell with the help of spindle fibers, waiting for the signal to separate during anaphase.


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