In this notes we will discuss about Mutation:- 1. Meaning of Mutation 2. Historical Account of Mutation 3. Characteristics 4. Types. Notes # Meaning of Mutation: The offsprings resemble their parents in one or several respects, yet there are differences between the two. These differences, whether large or small, are called variations. Some of the variations may be induced by [...]
The following points highlight the five chief agents which bring about mutation in organisms. The agents are: 1. Induction of Mutation by Ionizing Radiations 2. Non-Ionizing Radiations 3. Heat and Temperature 4. Mustard Gas 5. Chemical Mutagens. Agent # 1. Induction of Mutation by Ionizing Radiations: X-ray is representative of ionizing radiations- a group including alpha, beta and gamma radiation [...]
In this article we will discuss about:- 1. Meaning of Mutation 2. Kinds of Mutation 3. Frequency 4. Evolution 5. Role in Plant Breeding 6. Limitations. Meaning of Mutation: The credit of discovery of mutation goes to Wright (1791) when he observed it in male sheep. Any permanent or stable hereditary change other than one due to Mendelian segregation and [...]