The Genomic Era  Fathom Sessions Session 2 Session 1 Session 3 A Genetics Primer DNA carries the information necessary to produce all life on earth and is fundamental in defining who we are, as a species and as individuals. But what is DNA and how does it function in the cell? In order to understand the importance of genetics to the future of society, we must start with some basic facts about the nature of this critical substance and how it operates on a molecular level. Session 2 Session 1 Session 3