1) The complex of techniques for the production of new genes and the alteration of the structure of the chromosomes to produce effects beneficial to man, in agriculture and medicine.
2) The intentional production of new genes and alteration of genomes by the substitution or addition of new genetic material.
(Source: ZINZAN / MGH)
the technology of preparing recombinant DNA in vitro by cutting up DNA molecules and splicing together fragments from more than one organism
