Category: Biology

Human Genome A genome is the complete collection of an organism’s genetic material. Mapping of human genome actually began in 1911, when the gene responsible for red green colour …

Process of Gene Cloning Gene cloning is the process of making multiple, identical copies of a particular piece of DNA. Using this technique we can isolate and clone single …

Cloning Vectors Cloning vectors are DNA molecules that have the ability to carry  foreign DNA fragment. In other words, cloning vector is a segment of DNA capable of carrying …

Recombinant DNA Technology Recombinant DNA technology is the process of removing the desired piece of DNA from one organism and incorporating it into chromosomal DNA of another organism. It …

Genetic Disorders in Humans Genetic disorder is an illness caused by abnormalities in genes or chromosomes, especially a condition that is present since birth. Most genetic disorders are quite …

Sex Linked Inheritance The inheritance of a trait (phenotype) that is determined by a gene present on one of the sex chromosomes is termed as sex linked inheritance. Sex …

Sex Determination Sex determination in most plants and animals is concerned with the study of factors which are responsible for making an individual male, female or a hermaphrodite. Chromosomes …

Molecular Mutations Molecular mutations, means permanent alterations in sequences of nucleotides in the nucleic acid, which forms the genetic material. Mutation at the molecular level refers to any addition, …

Biochemical Mutations Biochemical mutations are mutations that may not be visible or affect a specific morphological characteristic but may have a general effect on the ability to grow or …

Mutations Mutations include all those heritable changes, which alter the phenotype of an individual. Hugo de Vries used the term mutation to describe the phenotypic changes which were heritable. …