Chromatin condenses - centrioles migrate in pairs to opposite poles - nuclear envelope & nuclear pores break - chromosomes visible under microscope - mitotic spindle forms at centrioles
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What happens in metaphase?
Mitotic spindle grows further and attaches to centromere of each chromosome - chromosomes arrange themselves at centre of cell
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What happens in anaphase?
Centromere of each chromosome breaks - 2 chromatids migrate to opposite ends of pole
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What happens in telophase?
New nuclear envelopes reform to make 2 nuclei - chromosomes unwind back into chromatin - not visible under microscope
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What happens in cytokinesis?
Cytoplasm of the parent cell divided between 2 daughter cells - cell cycle complete - 2 new daughter cells
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Why is mitosis important?
Forms cells that replace damage or dead ones - ensures that cells are genetically identical - increases cell numbers - cloning
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Other cards in this set
Card 2
Front
What happens in prophase?
Back
Chromatin condenses - centrioles migrate in pairs to opposite poles - nuclear envelope & nuclear pores break - chromosomes visible under microscope - mitotic spindle forms at centrioles
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