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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

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TLS Online TPP Program

#Question id: 6979

#Unit 5. Developmental Biology

The muscle-forming cells of the vertebrate limb come from:
TLS Online TPP Program

#Question id: 6980

#Unit 5. Developmental Biology

Teeth form from
TLS Online TPP Program

#Question id: 6981

#Unit 5. Developmental Biology

Hedgehog signaling at the compartment boundary in the Drosophila wing disc leads to the expression of what signaling molecule in the adjacent anterior cells?
TLS Online TPP Program

#Question id: 6982

#Unit 5. Developmental Biology

Which of the following genes control the final structures of appendages from each segment?
TLS Online TPP Program

#Question id: 6983

#Unit 5. Developmental Biology

In vertebrates, the heart forms from:
TLS Online TPP Program

#Question id: 6984

#Unit 5. Developmental Biology

Which of the following genes is unlikely to be involved in preaxial polydactyly in mice?