DNA

DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA.

(DNA) is a molecule that encodes thegenetic instructions used in the development and functioning of all known living organisms and many viruses. DNA is anucleic acid; alongside proteins and carbohydrates, nucleic acids compose the three major macromolecules essential for all known forms of life.