Nature http://www.nature.com/nature/dna50/
The science journal's special feature commemorating the 50th anniversary of the discovery of the DNA structure.
DNA from the Beginning http://www.dnaftb.org/
An interactive history of genetic science with biographies, animations, puzzles, and more.
Genetic Science Learning Center http://gslc.genetics.utah.edu/
Providing curricula and professional development for teachers, and science enrichment and career programs for students.
Genetically Engineered Organisms http://www.geo-pie.cornell.edu/gmo.html
Extensive information on the debate surrounding genetically modified crops and organisms.