Science

Developing transgenic in vivo and in vitro models: DNA microinjections, knock-out and knock-in mice, embryonic stem cell differentiation, inducible and conditional systems.

Cell biology, and developmental biology from zygote to adult, including cells, nuclear transfers, microinjection, and development.

Dr. David Whitehouse answers some questions about cloning and whether the technology can be made to work in humans.

Broad range of basic data including scientists, methods, stem cells, research, and abnormalities.

Illustrated article and brief history. Provides links to related articles, timelines, photographs and video presentations.