Addresses current technologies for DNA sequencing, genotyping, RNA and epigenetic analysis and basic concepts of pharmacogenetics and toxicogenomics. Emphasis placed on applications of genomic technologies to the understanding of "gene-environment interactions" that cause variability in drug treatment responses, as well as diseases of public health importance, including cancer, chronic neurological diseases, and adverse drug reactions. Offered: jointly with ENV H 513/PCEUT 513; Winter