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Aneli [31]
3 years ago
14

Define mutation and mutagen.

Biology
1 answer:
Nina [5.8K]3 years ago
4 0
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.
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