Question

what is a mutagen?

Answer 1

It's an agent, such as radiation or a chemical substance, that causes genetic mutation.

Answer 2

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Mutagens are the agents that causes sudden changes (mutations) in the genetic construction.
They are of two types
1. Natural mutagens - are occurred naturally in the atmos.
2. Induced mutagens - these are also called artificial or manmade.
They are of two types:
a) physical mutagens- these mutagens include xrays, gamma rays, UV rays etc
b) chemical mutagens - these mutagens include chemical compounds like colchicine, deaminating agents, benzyl purines etc.

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