differentiation

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  • Differentation and Stem Cells
    • differentation
      • unspecialised cells
        • becomes adapted to perform a specific function
    • stem cell
      • unspecialised cells which can self renew and differentiate
    • selective gene expression
      • only certain genes are switched on
    • specialisation
    • Embryonic Stem cells
      • cells are grown in a lab
        • pluripotent
          • stem cells that differentiate into all specialised cells
    • tissue adult stem cells
      • found in locations such as bone marrow and skin
        • multipotent
          • cells that can only differentiate into a limited number of specialised cells
    • somatic cell
      • a cell that has 46 chromosomes
        • mitosis
          • cell division
    • Germline cell
      • a cell with 23 chromosomes
        • meiosis
          • divides to give    gametes
    • diploid
      • 23 chromosomes
    • haploid
      • 23  chromosomes

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