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  • 24-03-2017
  • Biology
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Define mutation and mutagen.

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20AmmyUribeagu
20AmmyUribeagu 20AmmyUribeagu
  • 24-03-2017
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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