Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Dna Molecule: Basepairing
See how the discovery of DNA in 1953 sparked a new era of research into the code of life. [1:40]
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Dna Molecule: Chargaff's Ratios
Learn about base pairing in DNA, and how the ratios of adenine to thymine and guanine to cytosine are equal. [0:47]