Question

What is mutation ? Discuss role of mutation in crop improvement?

Answer 1

Answer:

Explanation:

A mutation is a change in DNA, the hereditary material of life. An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation.

Mutation breeding, sometimes referred to as "variation breeding", is the process of exposing ... Mutation breeding is commonly used to produce traits in crops such as larger ... In the debate over genetically modified foods, the use of transgenic ... mutagenic plants and their role on human food systems is less well known, with ...

Answer 2

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Spontaneous mutations are the result of errors in natural biological processes, while induced mutations are due to agents in the environment that cause changes in DNA structure.