Fact 1: Antigens are found on cancer cells and the cells of transplanted organs. Fact 2: Organs such as the stomach and liver also begin to develop. Given the two facts above, antigens are found on cancer cells and the cells of transplanted what?

Select from:
[A]. personality.
[B]. density.
[C]. alveoli.
[D]. lungs.
[E]. the skin.
[F]. epidermal.
[G]. livers.
[H]. digestion.
The answer is:
[G].