Genes and Dental Diseases

Genetics is the branch of biology that studies genes genetic variation and heredity in living organisms. It seeks to understand how traits are passed from parents to offspring and how these traits are expressed in individuals. The fundamental unit of genetics is the gene a segment of DNA that contains the instructions for making proteins which perform most life functions and form the structure of cells and tissues. DNA or deoxyribonucleic acid is composed of nucleotides arranged in a double helix structure.