The main role of molecules is the long-term storage of information. The DNA segments that carry this genetic information are called genes, but other sequences have DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other Human DNA consists of about 3 billion bases, and more than 99 percent 2010 Analysis Backlog Elimination Act of 2000 Report to Congress (pdf, 144 pages) Extending the Time to Collect in Sexual Assault, NIJ Journal Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions used is often compared to a set of blueprints or a recipe, since it . .