Who Is the Catalyst of Your Life?-“Genes”

The cell cycle or cell-division cycle is the series of events that takes place in a cell leading to its division and duplication. Genes are working subunits of DNA. There are between 50.000 and 1,00,000 genes ,and every genes is made up of thousand , even hundreds of  thousands, of chemical basis. Genetic disease in humans is caused due to abnormalities in genes or chromosomes. Prenatal diagnosis is any of various diagnostic techniques to determine whether a developing fetus is affected with genetic disorder.