Unit 2- Cell division

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  • Mitosis
    • Cell divides once
      • Produces two new cells
    • New cells have the same number of chromosomes as the original cell
    • How new body cells are made
    • Happens all over the body
  • Cell divides twice
    • Meosis
      • New cells have half the number of chromosomes as the original cell
      • How gametes are made
      • Only happens in the testes and ovaries
    • Produces four new cells

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