Which of the following produces multiple identical copies of a gene for basic research or for large-scale production of a gene product?

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Gene cloning is the process of producing multiple copies of a gene for basic research or for large-scale production of a gene product. It involves the use of restriction enzymes and DNA ligase to insert a gene of interest into a vector, which is then introduced into a host cell to produce multiple copies of the gene. Gel electrophoresis and reverse transcriptase are techniques used in gene analysis and gene expression studies, respectively, but do not necessarily produce multiple copies of a gene.

Which of the Following Produces Multiple Identical Copies of a Gene