Genetic engineering

Genetic engineering

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Credit: DAVID PARKER/SCIENCE PHOTO LIBRARY

Caption: Conceptual image of genetic engineering showing a DNA double helix made up from a metal construction kit. GE, also called genetic modification, a direct manipulation of an organism's genome using biotechnology. It is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to produce improved or novel organisms. New DNA may be inserted in the host genome by first isolating and copying the genetic material of interest using molecular cloning methods to generate a DNA sequence, or by synthesizing the DNA, and then inserting this construct into the host organism. Genes may be removed, or "knocked out", using a nuclease. Gene targeting is a different technique that uses homologous recombination to change an endogenous gene, and can be used to delete a gene, remove exons, add a gene, or introduce point mutations.

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Keywords: biochemical, biochemistry, biology, chrome, cloning, conceptual, deoxyribonucleic acid, dna, double helix, genetic, genetic engineering, genetic research, genetics, genomic, genomics, helical, helix, heredity, mechanical, mechanics, metal, metal construction kit, molecule, nucleic acid, toy, twisted metal, yellow background

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