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Mutations that can be artificially induced with the help of various mutagenic agents are called induced mutations.

Mutation is defined as sudden heritable change is the genome of an individual.

A variety of agents that increase the frequency of mutations are called mutagens.

The mutagens include radiations such as X-rays, ultra-violet rays, neutrons and radiation from radioactive isotopes such as 60Cobalt and 137Caesium.

The mustard compounds are chemical mutagens. They contain chemicals such as Ethyl Methane sulphonate (EMS), Nitrosoethyl urea and Colchicine. 

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