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Vinil7 [7]
3 years ago
7

4. A chemical or physical agent in the environment

Biology
2 answers:
Georgia [21]3 years ago
8 0

Answer:

Mutagen

Explanation:

In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level. 

Alina [70]3 years ago
3 0

Answer:

Mutagen

Explanation:

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