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Using
specialized DNA technology to produce multiple, exact copies of a single
gene or other segment of DNA to obtain enough material for further study.
This process, used by researchers in the Human Genome Project, is referred
to as cloning DNA.Å The resulting cloned (copied) collections of DNA molecules
are called clone libraries. A second type of cloning exploits the natural
process of cell division to make many copies of an entire cell. The genetic
makeup of these cloned cells, called a cell line, is identical to the original
cell. A third type of cloning produces complete, genetically identical animals
such as the famous Scottish sheep, Dolly.Å |
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