Stem Cells

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  • Stem Cells
    • Embryonic Stem Cells can turn into ANY type of cell
      • stem cells can divide to produce lots more cells
        • can differentiate into any type of cell
          • depending on instructions given
          • potential for doctors
      • found in early human embryos
      • adults have stem cells
        • bone marrow
        • can only turn into certain types of cell
          • blood cells
      • used to produce clones
      • used for medicine and research
    • may be able to cure diseases
      • stem cells can
        • replace faulty blood cells
        • turn into insulin producing cells for people with diabetes
        • nerve cells can help people with spinal injuries
      • therapeutic cloning
        • stem cells have same genetic information as the patient
          • wouldn't be rejected by the body
          • risks
            • contamination with viruses
              • make patient sicker
              • could be passed on
                • make patient sicker
    • some people are against stem cell reasearch
      • human embryos shouldn't be used for experiments
        • potential human life
          • ban fertility clinics
          • find other sources of stem cells
      • curing patients who already exist and who are suffering are more important than the rights of embryos
      • the ones used often unwanted from fertility clinics
        • would probably be destroyed anyway
      • in some countries it is banned
        • strict guidelines in the UK
      • meristems
        • can differentiate
          • into ANY type of cell
      • throughout the plant's entire life
        • meristems
          • can differentiate
            • into ANY type of cell
      • used to produce clones
        • quick
        • cheap
      • used to grow more plants of rare species
      • used to grow crops of identical plants
        • desired features
          • disease resistance


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