Department of Medical Genetics and Microbiology, University of Toronto, Toronto, Ontario, MsS 1A8, Canada. wigle@mshri.on.ca
Microarrays of mouse genes are now available from several sources, and they have so far given new insights into gene expression in embryonic development, regions of the brain and during apoptosis. Microarray data posted on the internet can be reanalyzed to study a range of questions.