Useful links
...in no particular order.
Saccharomyces Genome Database (aka SGD)
FlyBase, Drosophila genome database
Nature's Milestones in cell cycle research -- a very readable set of articles on key discoveries concerning the molecular events behind the cell cycle. The "Milestone" articles are themselves mostly in non-technical language, but each provides links or references to the original scientific papers, should you wish to delve deeper.
The Nobel lecture videos.
DNA sequencing -- animation on the PBS web site
DNA fingerprinting lab -- rather cute animation-based exercise on the NOVA web site… but don't take the lab protocols too literally!
OMIM, Online Mendelian Inheritance in Man (yes, they still call it that)