Answer:
B) mutagens
Step-by-step explanation:
Mutagenic substance is any substance that can cause mutations in a cell. In other words, when a cell is exposed to a mutagenic substance, that substance has the power to cause changes in the genetic material that are not repaired by the repairing enzymes and become inheritable characteristics, that is, it causes mutations that are inherited.
These substances can be divided into three types: chemical agents, physical agents and biological agents.