The production of a functional gene product by transforming bacteria that lack a lacZ gene with a plasmid containing a lacZ gene is known as

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Trans complementation is the process of producing a functional gene product by introducing a wild-type gene into a mutant cell lacking that gene. In this case, a lacZ gene is introduced into bacteria that lack a lacZ gene, allowing them to produce functional β-galactosidase. Cis complementation refers to the production of a functional gene product by the interaction of two mutant genes on the same chromosome, and transfection refers to the introduction of foreign DNA into eukaryotic cells. Conjugation refers to the transfer of genetic material between bacteria through physical contact.

The Production of a Functional Gene Product by Transforming Bacteria