Proposes a three-tiered model of online teaching, consisting of low-level information dissemination, Web-enabled course supplements, and Web-engaged activities. Discusses how existing online course management systems generally do not support the full range of Web-engaged activities currently possible. Highlights stand-alone tools which do so and…

The Genetics Construction Kit is a computer-based learning tool that simulates the phenomena of classical transmission genetics. Its construction kit approach lets users set the parameters of the problem sets to be generated. The program has been used extensively in science education research and curriculum development. (Author/MSE)