The below mentioned article provides a short note on gene mutation. Type of Gene Mutation: An alteration in the sequence of bases in a gene due to change, removal or insertion of one or more bases in a gene resulting in an altered gene product is called mutation. (a) Single Base Changes (Point Mutations): It may be transitions or trans-versions. [...]
Here is a compilation of notes on Gene Mutation. After reading these notes you will learn about: 1. Introduction to Gene Mutation 2. Origin of Gene Mutation 3. Effects 4. Direction 5. Types 6. Induction 7. Molecular Basis 8. Detection 9. Importance. Contents: Notes on Introduction to Gene Mutation Notes on the Origin of Gene Mutation Notes on the Effects [...]
The following points highlight the five important types of DNA repair system. The types are: 1. Direct Repair 2. Excision Repair 3. Mismatch Repair 4. Double-Strand Break Repair 5. SOS Repair. Type # 1. Direct Repair: It involves the reversal of DNA damage. (i) Photo-Reactivation: Pyrimidine dinners (induced by UV rays) can be monomerised again by DNA photolyases in presence [...]