See also:

• Business: Biotechnology and Pharmaceuticals: Pharmaceuticals: Research and Development  (112)
• Kids and Teens: School Time: Science: Living Things: Genetics: Cloning  (9)
• Science: Agriculture: Animals: Mammals: Breeding and Biotechnology  (18)
• Science: Biology: Developmental Biology: Model Organisms  (25)
• Science: Biology: Products and Services: Living Systems  (10)
• Society: Philosophy: Ethics: Applied: Bioethics: Genetic Engineering  (14)

The Cloning of Dolly: Science Explained -  .

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

Can They Clone a Mammoth? - - Coverage of the expedition to raise an intact mammoth from the Siberian permafrost. [Discovery Online.

Cloned Calves are Grown from Cultured Cells - - Six cloned calves have been created from cells cultured in vitro for up to three months, confirming previous work showing that relatively "old" cells can be used to clone whole animals.

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

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

Cloning & Stem Cells - - Subscription based research journal. Includes, table of contents, and notes for contributors.

Cloning: Bringing Back Endangered Species. - - The first successful cloning of an endangered animal to late-stage fetal development has been reported; from Applied Genetics News.

Cloning: Dumb Human Pet Tricks - - From Cloning, a story about a Texas A&M team that plans to clone pets.

Cloning Humans: Can It Really Be Done? - - Dr. David Whitehouse answers some questions about cloning and whether the technology can be made to work in humans.

Cloning: Pigs Cloned for the First Time - - The first pigs ever born as a result of nuclear transfer (cloning) using adult cells.

Cloning: Return to the Future - - Cells from six healthy cow clones show no signs of the premature aging reported for Dolly the cloned sheep, according to researchers from Advanced Cell Technologies, Inc.

Cloning Webliography - - A collection of Web resources on the scientific, ethical, and legal aspects of animal and human cloning. Includes articles, books, research, and societies.

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

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

Human Cloning and Genetic Modification - - The basic principles of embryogenesis and germline engineering - from the Association of Reproductive Health Professionals.

Nuclear Transfer: Bringing in the Clones - - Illustrated article with references.

Reproductive Genetics Resource Center - - Offers current news stories and links to related resources. Includes a basic primer on cloning and genetic engineering. From the Association of Reproductive Health Professionals.

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

A Wolf in Sheep's Clothing? - - The emergence of cloning technology and the implications of cloning adult human beings. Includes transgenic and nuclear technologies, genetics, and public issues.