More information on biotechnology basics
There are a number of web sites that cover the basics of biotechnology and gene technology.
CSIRO Gene Technology in Australia http://genetech.csiro.au/
An animated primer on the basics of DNA, genes and heredity, from the Dolan DNA Learning Center, Cold Spring Harbour Laboratory, USA http://vector.cshl.org/dnaftb/
The biotechnology section of the web site of the US National Museum of Health http://www.accessexcellence.org/AB/
DNA – Genes and things, from the Eureka! Science site; recommended by the US National Science Teachers Association http://www.eurekascience.com/ICanDoThat/dna_genes.htm
DNA and biotechnology, from the web site of The Tech science centre in San Jose, USA http://www.thetech.org/exhibits_events/online/genome/
The Molecular Biology Notebook, a resource developed in the UK and given a 5-star rating by the UK governments National Grid for Learnings Schoolzone site http://www.iacr.bbsrc.ac.uk/notebook/courses/guide/
More web links can be found on the CSIRO Gene Technology site: http://genetech.csiro.au/sites.htm