TLS Online TPP Program

#Question id: 1814


In Sir Peter Medawar's classic experiments demonstrating the development of immunological tolerance:

#Unit 4. Cell Communication and Cell Signaling
  1. Thymectomized mice had to be used

  2. Severe combined immunodeficient (SCID) mice were used

  3. The mice were chimeric

  4. Skin grafts were always rejected