Transmission genetics is basically the study of how traits and characteristics are passed from one generation to the next. This branch of modern genetics study is also known as “Mendelian Genetics” in honor to Gregor Johann Mendel, the scientist how described the rules of heredity with the study of the characteristics of pea plants and how they transfer them among the generations.
I can only think of this at the moment and it is simply between predator and prey. The predator consumes the prey and this relationship has an effect on the food chain/ food web.