DNA engineering is somewhat similar to genetic engineering. It is considered to be a process in which recombinant DNA technology is used in order to alter the genetic makeup of a particular organism. Traditionally, humans were manipulating genomes in an indirect way by controlling the breeding procedure and selecting offspring as per the desired traits. In DNA engineering, one or more genes get manipulated or modified. Usually, a gene from a different organism gets added to the genome of a particular organism in order to give it the desired phenotype. It all started with recombinant DNA technology; it was the key to achieving genetic mutation.