Whether the baby’s looks are inherited from the father or the mother, there is no certain rule, because human looks are affected by genetic factors, acquired factors, acquired habits factors and disease factors and other factors. 1. Genetic factors: the genetic mechanism of looks should be very complex, involving multiple genes, multiple chromosomes, the mechanism is not very clear. 2. Acquired factors: also affects the looks of a very important reason, such as the fat and thin, nutrition, whether sports exercise, will greatly affect the appearance of people. 3. Disease factors: some diseases will change the appearance of people, such as adenoid hypertrophy will cause adenoid face, hypothyroidism and hyperthyroidism patients also have their special face performance. To summarize, baby looks are affected by many factors, not only genetic factors.