Pipe Cleaner Mitosis

Before Interphase:

The cell has a nucleus and one copy of DNA which is the chromatin.

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Interphase:

The DNA replicates itself so there are two copies of each DNA molecule.

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Prophase 1:

The DNA molecules wrap around each other to form sister chromatids in the form of an X.

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Prophase 2:

The spindle fibres appear at both ends of the cell.

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Prophase 3:

Each end of the spindle fibres latches on to a sister chromosome.

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Prophase 4:

The nuclear membrane disappears leaving the cell without a nucleus.

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Metaphase:

The X shaped chromosomes line up in the middle of the cell.

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Anaphase:

The spindle fibres pull one half of the sister chromatid (now considered a single chromosome) to each end of the cell.

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Telephase 1:

The spindle fibres disappear from the cell.

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Telephase 2:

2 nuclear membranes form inside the cell.

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Cytokinesis: 

The cell splits into two daughter cells identical to the parent cell.

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