Respuesta :
Answer:
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 Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
Explanation:
Answer:
Based on scientific researches, mutations are rare occurrences is the statement that best describes mutation. A sudden and unanticipated change that occurred in a gene which result in a new character in an organism is known as mutation. For example: cancer cells are one of the form of mutation.