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bi15 - of cell 2 Become attached to spindle fibres by...

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Mitosis and Meiosis Higher Biology
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Mitosis and Meiosis Mitosis: - division of  somatic (body) cells Meiosis - division of gametes (sex cells)
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Mitosis Interphase Prophase Metaphase Anaphase Telophase
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I nterphase Interesting  things happen! 1. Cell preparing to divide 2. Genetic material doubles
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Prophase Chromosome  pair up ! 1. Chromosomes thicken and shorten -become visible -2  chromatids  joined by a  centromere 1. Centrioles  move to the opposite sides of the nucleus 2. Nucleolus  disappears 3. Nuclear membrane disintegrate
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M etaphase Chromosomes  meet in the middle ! 1. Chromosomes arrange at  equator
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Unformatted text preview: of cell 2. Become attached to spindle fibres by centromeres 3. Homologous chromosomes do not associate A naphase • Chromosomes get pulled apart 1. Spindle fibres contract pulling chromatids to the opposite poles of the cell T elophase • Now there are two! 1. Chromosomes uncoil 2. Spindle fibres disintegrate 3. Centrioles replicate 4. Nucleur membrane forms 5. Cell divides Meiosis • 4 daughter cells produced • Each daughter cell has half the chromosomes of the parent • 2 sets of cell division involved...
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