DNA Helix, DNA structure, DNA bases, Nucleotides, strands of DNA, Bonding in DNA, and bonding between bases are the topics delved into in this thorough site.

This is a basic animation of how DNA is structured.

A new way of testing DNA samples uses a chip. This allows scientists to examine thousands of genes instead of just one at a time.

Animation illustrating how the jumping gene, Alu, reproduces by copying itself and inserting into new chromosomes.