a mutagen is\no a living thing that has undergone a mutation.\no an agent that causes a mutation in dna.\no…
a mutagen is\no a living thing that has undergone a mutation.\no an agent that causes a mutation in dna.\no a mutation that has affected one gene.\no any chemical that can poison living cells.
Answer
Answer:
B. an agent that causes a mutation in DNA.
Brief Explanations:
By definition, a mutagen is an agent (physical, chemical, etc.) that induces DNA - mutations.