Doctor

There is not much comparison that can be made between the two even by a vivid stretch of imagination as both careers are worlds apart.
If you love animals and Science, then you might want be a veterinarian. Veterinarians are basically animal doctors who diagnosis and prescribe treatments for animals.
The physicians who treat human being when they are sick are called doctors and those who treat animals when they are sick or injured are called vets (veterinarians). Veterinary medicine covers all types of animals either it is domesticated or wild. It is the field of Medical Courses.
Genetic Engineering is also referred as genetic modification. It is a process of manually adding new DNA to a living organism through artificial methods.
Genetic Engineering is a method of physically removing a gene from one organism and inserting it to another and giving it the ability to express the qualities given by that gene.