Multiple choice

Which of the following staements characterizes induced mutation?

Mutation is the permanent change in the hereditary material, i.e., changes in the structure of chromosome or DNA. These changes in the DNA modify the sequence of amino acid in the protein of genes.

  1. Mutations occurring in the somatic cells.

  2. Mutation caused due to intracellular factors or due to background cosmic radiation.

  3. Mutations in germ cells or gametes or cells of germinal.

  4. Mutation from wild type to a new type.

  5. Mutation introduced artificially or experimentally.
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E Correct answer
Explanation

Induced mutations are introduced artificially or experimentally. Any physical or chemical agent, which introduces mutation is called a mutagen or mutagenic agent, physical (high or low temperature and the radiations) and chemical mutagens (mustard gas, colchicines, acridine dyes, nitrous acid, etc).

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