Source:http://linkedlifedata.com/resource/umls/id/C0017387
MSH: Directed modification of the gene complement of a living organism by such techniques as altering the DNA, substituting genetic material by means of a virus, transplanting whole nuclei, transplanting cell hybrids, etc.,NCI: The technology of preparing recombinant DNA in vitro by cutting up DNA molecules and splicing together fragments from more than one organism.