This edited volume presents the current state of the art of genetics education and the challenges it holds for teaching as well as for learning. It addresses topics such as how genetics should be taught in order to provide students with a wide and connected view of the field. It gives in-depth aspects that should be considered for teaching genetics and the effect on the students understanding. This book provides novel ideas for biology teachers, curriculum developers and researchers on how to confront the presented challenges in a way that may enable them to advance genetics education in the 21st century. It reviews the complexity of teaching and learning genetics, largely overlooked by biology textbooks and classroom instruction. It composes a crucial component of scientific literacy.