stem cells

• what are stem cells?

  cells that have undergone differentiation.
• 2 types of stem cells are...

  embryonic- can change into any cell

  adult stem cell- found in imited loactions(brain, eyes, blood)
• stem cells in plants

  cell division in plants occurs in regions call meristems.

  cells ther can differentiate to produce all types of plants cells any time
• advantages of stem cells

  offers cure for diseases

  less animals being tested

  dead cells can be replaced/regrown
• disadvantages of stem cells

  organisms given stem cells often develop problems

  drugs given to stimulate womens eggs are dangerous

  against certain religions to stop life developing