History of genetics established the concept of dominance, recognizing that when some plant varieties are crossed, certain characteristics (present in one parent) usually appear in the offspring; he also found that some ancestral characteristics found in neither parent may appear in offspring. However, plant breeders made little attempt to establish a theoretical foundation for their work or to share their knowledge with current work of physiology, although Gartons Agricultural Plant Breeders in England explained their system. In breeding experiments between 1856 and 1865, Gregor Mendel first traced inheritance patterns of certain traits in pea plants and showed that they obeyed simple statistical rules
Johann Gregor Thalnitscher Johann Gregor Thalnitscher Johann Gregor Thalnitscher von Thalberg (10 March 1655 – 3 October 1719; less often known by his Slovene name "Janez Gregor Dolničar") was a Carniolan lawyer, scholar of ancient inscriptions, chronicler, and historian. Thalnitscher was born in Ljubljana on 10 March 1655 to Johann Baptist Thalnitscher and Maria Anna née Schönleben. His father was a Ljubljana judge and mayor, and made it possible for his son to study and travel throughout Germany and Italy, where he developed an enthusiasm for Baroque art. He studied in Ingolstadt and Bologna, and became a doctor of law in Bologna in