sidebarA. Genetic engineering (GE) is the modification of an organismâs genetic composition by artificial means, often involving the transfer of specific traits, or genes, from one organism into a plant or animal of an entirely different species.hen gene transfer occurs, the resulting organism is called transgenic or a GMO (genetically modified organism). Genetic engineering is different from traditional cross breeding, where genes can only be exchanged between closely related species.
Short for high definition-DVD, a generic term for the technology of recording high-definition video on a DVD. In general, HD-DVD is capable of storing between two and four times as much data as standard DVD. The two most prominent competing technologies are Blu-ray and AOD.
DVD-R and DVD+R are two competing recordable DVD formats. DVD-R was introduced in 1997, and DVD+R arrived in 2002. The two formats are incompatible with each other. You can not burn DVD dash discs using DVD+ drives, and vice versa, although dual format burners are available. The developers DVD+R have positioned it as a format superior to DVD-R. The major difference is the addressing system, which refers to the way the laser finds the proper position for data to be written.