Breeding involves crossing selected parents of the same or closely related species.
Given time and the right conditions, all hybrids can occur naturally. All the different terms used in articles about biotechnology are confusing. The term biotechnology is the broadest of all these terms and can be used to describe the use of organisms in making cheese or beer for example. The other three terms, GMO, GEO and transgenic are used to describe the manipulation of DNA explained above. GEO and GMO are broad descriptors of plants or animals whose DNA has been altered and they essentially say the same thing.