Answer:
B or A it produces another one of itself.
Step-by-step explanation:
"Mutation , an alteration in the genetic material (the genome) of a cell of a living organism or of a virus that is more or less permanent and that can be transmitted to the cell's or the virus's descendants. The genomes of organisms are all composed of DNA, whereas viral genomes can be of DNA or RNA."
Credits to: yahoo and more
Most likely B.