key words

• KW- stem cells


  cells that can change into other types of cells.
• KW- embryo stem cells

  Stem cells are easily collected from a 5-day old embryo. They have the potential to grow into any body cell.
• KW- cloned embryonic cells


  Body tissue from a person is cloned to produce an embryo. Stem cells are taken from that embryo, which is a genetic match to the original adult.
• KW- adult stem cells

  All adults have stem cells but they are not easy to collect or develop.
• KW- reproductive cloning


  They can only grow into cells from the organ they came from.
• KW- therapeutic cloning


  This involves artificially creating duplicate genetic material to grow into spare body parts or to replace diseased cells in a human.
• KW- gene therapy


  This involves correcting, altering or replacing genes.
• KW- genetic screening


  This is done on sections of the population considered to be at risk from a particular condition.
• KW- genetic testing


  Patients agree to be tested for various genetic diseases.