what is genome

The genome is the entire set of genetic instructions found in a cell. It is the complete set of genetic information in an organism, stored in long molecules of DNA called chromosomes. In humans, the genome consists of 23 pairs of chromosomes located in the cell’s nucleus, as well as a small chromosome in the cell’s mitochondria. It contains all the information needed for an individual to develop and function, and it provides the instructions for the development and functioning of an organism