stem cells

• stem cells

  undifferentiated cells
• embryonic stem cells

  can turn into any cell at all
• adult stem cells

  can be found in bone marrow. can only turn into certain cells
• advantages

  -can be used to replace faulty cells in patients. e.g spinal injuries

  -embryonic can be made to have the same genetic information as the patient
• disadvantages


  -embryonic stem cells are potential life

  -may be contaminated with a virus
• stem cells in plants


  are found in the meristems