Khan Academy Static

Today, we know that DNA is the genetic material: the molecule that bears genes, is passed from parents to children, and provides instructions for the growth and functioning of living organisms. But scientists didn’t always know this. In fact, for many years, researchers thought that protein would turn out to be the genetic material! Learn more about the properties of DNA and how it was identified as the hereditary molecule.

9678_Hershey_and_Chase_DNA_is_the_genetic_material.html

9677_DNA_as_the_transforming_principle_.html

9679_The_discovery_of_the_double_helix_structure_of_DNA.html