Study of gene action and the mechanisms of inheritance beyond introductory level. Focuses on the integration of classical genetics with molecular models of gene action. Topics covered include Mendelian genetics, gene structure and function, mutation and repair, gene regulation, mobile genetic elements, developmental genetics, epigenetic factors, evolutionary genetics, and quantitative inheritance. Three lectures and one two-hour laboratory period per week. Prerequisites: BIOL-225 and CHEM-250 or consent of the instructor.