What Do Agents Such as Specific Chemicals,viruses,and Ionizing Radiation Have

Multiple Choice

What do agents such as specific chemicals,viruses,and ionizing radiation have in common?

A) Nothing
B) They can increase the frequency of mutations in only those members of the population who are already genetically impaired.
C) They are all mutagens that may increase the frequency of mutations.
D) They always cause spontaneous abortions during the first trimester of pregnancy.