Modern genetics began in the 1860's when Gregor Mendel, an Augustinian monk, discovered the fundamental principles of heredity. He came up with multiple theories such as the Particulate Theory of heredity which states that parents transmit genes to their children that remain as separate factors from one generation to the next. While attending the University of Vienna, Professor Doppler, a physicist, trained him to apply a quantitative experimental approach to the study of natural phenomena.
Also, at the University of Vienna, Unger, a botanist, interested him in the causes of inheritable variations in plants. …
