It is a branch of biology that deals with the molecular mechanisms underlying life. DNA can be amplified thanks to sophisticated techniques, in order to find out genetic mutations that cause a lack of functionality of that very investigated gene. This technique allows to diagnose many genetic diseases, paternity tests, prenatal diagnosis tests, molecular oncology, pharmacogenetics, female infertility, cardiovascular disease, male infertility, nutrigenetics, molecular infection studies, cytogenetic examinations.. Molecular oncology ...