University of Utah
University of Utah: Genetics Science Learning Center: learn.genetics: Clone Zone
Interactive time line on the history of cloning over the last one hundred years. Includes detailed explanations and short animations.
American Institute of Biological Sciences
Action Bioscience: Animal Cloning, Old Mac Donald's Farm Changed
An in-depth look into the potential benefits to animal cloning. This process could provide us with food designed to help fight disease, protect endangered species, enhance livestock, and create opportunity for biomedical research.