That copy can be as small as a single gene, as ordinary as a plant grown from a cutting, or as complex as an entire animal.. A clone is a genetically identical copy of a living thing.
At this point, many of the technologies needed to create human clones exist, but there are still many roadblocks and ethical arguments against using them to clone a human.. The copied material, which has the same genetic makeup as the original, is referred to as a clone.