A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in the laboratory. Which statement best provides evidence that the substance is a mutagen?
Answer
A
The cells die within hours of being exposed to the chemical.
B
The cells grow more quickly than those that were not exposed to the chemical.
C
The cells change after being exposed to the chemical, and this change is passed to the next generation of cells.
D
The cells continue to divide at the same rate as before they were exposed to the chemical.