After examining the evidence, Lönnig concluded: “Mutations cannot transform an original species [of plant or animal] into an entirely new one. This conclusion agrees with all the experiences and results of mutation research of the 20th century taken together as well as with the laws of probability.
तेव्हा या काळादरम्यान गोळा केलेल्या माहितीच्या आधारावर वैज्ञानिक आता उत्परिवर्तनाच्या साहाय्याने नव्या जाती उत्पन्‍न करण्यासंबंधी निष्कर्ष काढण्याच्या स्थितीत आहेत.