Educational Requirements for Becoming a Medical Geneticist. The minimum educational requirement for becoming a medical geneticist is a doctoral degree followed by specialized training in the subspecialty and field of the physician choice. Step-by-Step Educational Path to Becoming a medical Geneticist. Bachelor’s Degree. The bachelor’s degree is the basis of education for all physicians. The scientific knowledge and education at this point of training is what sets the physician up for success throughout the rest of their career.