DNA, or deoxyribonucleic acid, is the hereditary material in humans and most alternative organisms. Nearly every cell in a person’s body has an equivalent polymer. Most DNA is found within the cell organ (known as nuclear DNA), however, a small quantity of DNA can even be found in the mitochondria (where it is called mitochondrial DNA . Mitochondria are structures among cells that convert the energy from food into a kind that cells can use.
In order to reply to the query of what number of genes we have, we should first agree on what we imply via way of means of the word “gene”. The definition has developed ever on the grounds that Mendel, however the awareness, because the HGP were given below manner, turned into in general on protein-coding genes;