In this article we will discuss about:- 1. Meaning of Transposable Elements 2. Nomenclature of Transposable Elements 3. Classes. Meaning of Transposable Elements: For a long time it was assumed that the genes have fixed chromosomal locations. Genetic recombination is a common process of a cell within which exchange between the homologous DNA sequences takes place. Over the past few [...]
In this article we will discuss about the Watson and Crick’s Model of Double Helix of DNA. Watson and Crick studied in advance the manuscript of Pauling and Corey in 1953. They concluded that: (i) Polynucleotide chain of DNA has a regular helix, (ii) The helix has a diameter of about 20 Å, and (iii) The helix makes a full [...]
In this article we will discuss about the use of transduction of genetic mapping in viruses. Viruses are the very small particles, hence they are considered unsuitable to study inheritance. Because scorable traits are not available with them. However, some of the bacterial characters have been used for inheritance and recombination studies such as plaque morphology (large or small, fuzzy [...]