Ethics and safety
Bioethics
Weighing the benefits, risks and fairness of biological research and its uses.
Cloning
Producing a genetically identical copy. Dolly the sheep, reported in 1997, was cloned from an adult cell.Source: Wilmut et al., 1997
Also called Dolly the sheep.
Technology or method
How Cloning connects
Cloning raises questions of
Cloning uses
Structure
Nucleus
Stores most of the cell's DNA and controls which genes are used.
Cloning is related to
Structure
Stem cells
Cells that can renew themselves and give rise to specialized cells. Adult cells can be reprogrammed into stem-cell-like iPS cells.
Studied in
Your progress
Sources & further reading
The explanations on this page are our own summaries of these sources. Follow a link to read the original; if anything here disagrees with it, the original wins. How we choose and check sources.
Viable offspring derived from fetal and adult mammalian cells (opens the original in a new tab)
Wilmut I, Schnieke AE, McWhir J, et al. (1997). Nature 385:810-813.
Peer-reviewedPrimary research