In this article we will discuss about Modern Concept of Gene:- 1. Introduction to the Modern Concept of Gene 2. Definition of Genes 3. The Gene as a Unit of Function (Cistron) 4. Gene as the Unit of Recombination (Recon) 5. The Gene as a Unit of Mutation (Muton) 6. Identification of Genetic Material. Contents: Introduction to the Modern Concept [...]
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 [...]
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 [...]