The emergence of cloning technology and the implications of cloning adult human beings. Includes transgenic and nuclear technologies, genetics, and public issues.

Subscription based research journal. Includes, table of contents, and notes for contributors.

Features a timeline, techniques, media centre, cloning debate, and legislation. offers an interactive section including create a clone.

This is the institute that produced the cloned sheep, Dolly. An archive of articles relating to nuclear transfer and other cloning techniques is provided.

Coverage of the expedition to raise an intact mammoth from the Siberian permafrost. [Discovery Online]

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

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.

Scientific article about first cloned sheep from 1997. Describes techniques and touches on ethical questions.

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