A sudden change in the genetic material is known as mutation.
mutation is a change in DNA sequence.
Mutations can result from DNA copying
mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.
A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene.
A mutation is an alteration in the nucleotide sequence of the genome of an organism.