DNA or deoxyribonucleic acid is possibly the most important thing in any living organism. DNA is inside every cell of the body and contains information that your cells use to grow and repair. It is your DNA that makes you individual because it controls your hair colour, eye colour and all other characteristics. The information that is contained in DNA is passed between generations in the breeding process. What?DNA is made up of atoms of oxygen, hydrogen, carbon, nitrogen and phosphorus - nothing too special when you put it like that - which join together to form a large molecule of DNA. A molecule of DNA is made up of two chains that line up...
