The National Human Genome Research Institute
- US government site discusses research, grants, health, policy, and ethics of genetics.
- http://www.genome.gov/

GenBank
- A database of nucleotide sequences maintained by the US National Center for Biology Information. Includes news, search functions and methods for submitting sequences.
- http://www.ncbi.nlm.nih.gov/Genbank/index.html

Double helix: 50 years of DNA
- Articles, photos, and interviews from the journal "Nature" presented in celebration of the 50th anniversary of the description of the structure of DNA.
- http://www.nature.com/nature/dna50/index.html

DNA Replication
- Animation illustrating DNA replication. [Requires Flash]
- http://www.maxanim.com/genetics/Dna%20Replication/Dna%20Replication.htm

DNA: RCSB PDB Molecule of the Month
- Research Collaboratory for Structural Bioinformatics Protein Data Bank entry on DNA. Includes discussion of the properties and structure of DNA.
- http://www.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb23_1.html

DNA Kin
- Resources and information for using DNA in genealogical research.
- http://www.dnakin.com

DNA from the beginning
- An animated primer on the basics of DNA, genes, and heredity.
- http://www.dnaftb.org/

BBC 4 Interviews - Crick and Watson
- Audio interviews with Francis Crick and James Watson on the BBC.
- http://www.bbc.co.uk/bbcfour/audiointerviews/profilepages/crickwatson1.shtml

Dervan's Group
- Sequence-specific recognition of DNA using high affinity synthetic molecules, for the regulation of gene expression, at California Institute of Technology, Pasadena.
- http://dervan.caltech.edu/

Left Handed DNA Hall of Fame
- Devoted to correct and incorrect representations of left-handed DNA. Also has links related to left-handedness in nature, research, and in the news.
- http://www-lmmb.ncifcrf.gov/~toms/LeftHanded.DNA.html

History of Plasmid Research
- Broad range of historical material since 1903, about plasmids and application of circular DNA in molecular biology, with bibliography of early plasmid research compiled William C. Summers, for the American Society for Microbiology.
- http://histmicro.yale.edu/mainfram.htm

GeneProbes.org
- Resource introducing DNA probe technologies, listing conferences, workshops and references with focus on marine biotoxins from Nelson, New Zealand.
- http://www.geneprobes.org/

DNA Double Helix
- Chime-dependent tutorial which permits image manipulation to help understand the 3-dimensional form of the structure, from John Tweedie and Massey University, New Zealand.
- http://www.massey.ac.nz/~wwbioch/Helix_162101/frameset1.htm

BioServers
- Contains user-friendly tools to launch DNA database searches, statistical analyses, and population modeling from a centralized workspace.
- http://www.bioservers.org/bioserver/

Anthracycline Intercalation
- Details of anticancer anthracycline intercalated as DNA hexamer, illustrated from 3-D x-ray crystal images by Dr J.P. Miller at UMIST, Manchester, UK.
- http://www.jonathanpmiller.com/intercalation/