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?
O The cells die within hours of being exposed to the chemical
The cells grow more quickly than those that were not exposed to the chemical
O The cells change after being exposed to the chemical and this change is passed to the next generation of cells.
0 The cells continue to divide at the same rate as before they were exposed to the chemical