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Steps of the Cell Cycle
– Metaphase:
• Normally the shortest phase of mitosis.
• The chromosomes line up single file in the
center of the cell.
– Anaphase:
• The spindle fibers separate the
centromeres that hold the two copies of
each piece of DNA together and pull one
half of each chromosome (one copy of the
DNA) to each side of the cell.
– Telophase:
• The DNA uncoils.
• The spindle fibers break down and the
cetrioles move back to their original
location.
• Two nuclei form.