What is importance of gene transfer? Horizontal gene transfer is the primary mechanism for the spread of antibiotic resistance in bacteria and plays an important role in the evolution of bacteria that can degrade novel compounds such as human-created pesticides and in the evolution, maintenance and transmission of virulence. Gene transfer is the introduction of foreign genes or gene sequences in a target cell population using nonviral or viral vectors to treat a particular disorder in affected individual for the sustained expression of a transgene cassette vs application of the therapeutic product itself that exhibits a short. The process of transferring DNA is called genetic engineering. The new piece of DNA is called recombinant DNA because the DNA of two different organisms is combined. DNA Carriers DNA must be transferred, or carried, from one organism into another before it can become a part of the second organism’s DNA.

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