and data regarding important categories of sequences within DNA, such as introns, exons, promoters, telomeres, and centromeres. As pointed out by Watson and Crick, the structure of DNA is central ...

This way DNA can reproduce itself without changing its structure -- except for occasional errors, or mutations. The structure so perfectly fit the experimental data that it was almost immediately ...

(Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base pair, named after James Watson and Francis Crick, who first proposed the double helix structure of ...