Mutations. Definition. 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.
I do believe the answer is b
Answer:
Explanation:
Molecule 1 represents a segment of hereditary information, and molecule 2 ... What will most likely happen if there is a change in the first three subunits