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A Mitosis and Meiosis PowerPoint Presentation

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On : Jun 04, 2015

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  • Slide 1 - Mitosis and Meiosis Higher Biology
  • Slide 2 - Mitosis and Meiosis Mitosis: -division of somatic (body) cells Meiosis -division of gametes (sex cells)
  • Slide 3 - Mitosis Interphase Prophase Metaphase Anaphase Telophase
  • Slide 4 - Interphase Interesting things happen! Cell preparing to divide Genetic material doubles
  • Slide 5 - Prophase Chromosome pair up! Chromosomes thicken and shorten -become visible -2 chromatids joined by a centromere Centrioles move to the opposite sides of the nucleus Nucleolus disappears Nuclear membrane disintegrate
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  • Slide 7 - Metaphase Chromosomes meet in the middle! Chromosomes arrange at equator of cell Become attached to spindle fibres by centromeres Homologous chromosomes do not associate
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  • Slide 9 - Anaphase Chromosomes get pulled apart Spindle fibres contract pulling chromatids to the opposite poles of the cell
  • Slide 10 - Telophase Now there are two! Chromosomes uncoil Spindle fibres disintegrate Centrioles replicate Nucleur membrane forms Cell divides
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  • Slide 14 - 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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  • Slide 16 - This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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