All living things have a blueprint provided by the DNA that is stored in every one of their cells. Yet the amount of DNA in each cell—what we refer to as genome size—spans an incredible range across the tree of life. All living things have a blueprint provided by the DNA that is stored in every one of their cells. Yet the amount of DNA in each cell—what we refer to as genome size—spans an incredible range across the tree of life. Evolution Molecular & Computational biology Phys.org – latest science and technology news stories