SCIENCE - BIOLOGY - MITOSIS (TOPIC B1)

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  • Created by: nimrata
  • Created on: 23-11-17 17:49
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  • Science - Biology - Mitosis (Pg 15)
    • Cells divide where the body needs to
      • Grow
      • Replace worn out cells
      • Repair damaged tissue
    • Process of mitosis
      • STEP 1-DNA REPLICATION: To prepare for cell division the chromosomes are replicated
      • STEP 2-MITOSIS: Chromosomes line up in the center of cell
      • Untitled
      • STEP 4: TWO DAUGTHER CELLS: Each cell is genetically identical to each other and the original parent cell
    • KEY TERM: DIPLOID CELLS - Has all the chromosomes needed (46)
    • KEY TERM: HAPLOID CELLS - Has half the number of chromosomes (23)
    • KEY TERM: GAMETES (EGG AND SPERM) - Any cell with half the number of chromosomes of a normal cell (23)

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