RNA

The full formation of RNA is ribonucleic acid. RNA is the genetic material of some viruses i.e. it is responsible for the transmission of hereditary information from one generation to other in viruses. RNA is present in the cytoplasm of prokaryotes as nucleus is...

Nucleic Acid

Nucleic acid was first of all isolated by a scientist Fredrick Meisher in 1870 from the nucleus of the pus cells. Nucleic acids are substances which are responsible for the transmission of hereditary information from one generation to other. Actually nucleic acids are...

Sex Determination

The process by which the sex of a person is determined is called sex determination. The sex of a person is determined by sex chromosomes. The sex chromosomes in human beings are present in 23 pair. Both the sexes either male or female contain 23 pairs of chromosomes....

Genotype and Phenotype

Genotype Genotype is the particular set of genes present in an organism’s cell. In other words, the genotype is the genetic constitution of an organism. Phenotype All the observable characteristics of an organism, such as shape, size, colour and behaviour are called...

Genes

Gene is the hereditary unit which is responsible for the inheritance of characters from one generation to other. Actually gene is a part of DNA and is made up of nucleotides. The term gene was first of all coined by scientist Johanssen in 1909. Genes are responsible...