recombinant DNA

The process of cutting and recombining DNA fragments from different sources as a means to isolate genes or to alter their structure and function.

The result of combining DNA fragments from different sources.

A variety of techniques that molecular biologists use to manipulate DNA molecules to study the expression of a gene. See also gene, bacteria, chromosome

DNA that has been artificially introduced into a cell, resulting in alteration of the genotype and phenotype of the cell, and is replicated along with natural DNA. Used in industrial micro-organisms to produce more productive strains.