Illustrated article with references.
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.
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.
The first successful cloning of an endangered animal to late-stage fetal development has been reported; from Applied Genetics News.
From Cloning, a story about a Texas A&M team that plans to clone pets.
The first pigs ever born as a result of nuclear transfer (cloning) using adult cells.
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.
Dr. David Whitehouse answers some questions about cloning and whether the technology can be made to work in humans.
Features a timeline, techniques, media centre, cloning debate, and legislation. offers an interactive section including create a clone.