Final answer:
A sociobiologist would believe that genetic factors significantly contribute to criminal predisposition, aligning with the sociobiological emphasis on genetics and natural selection in behavior.
Step-by-step explanation:
A sociobiologist would most likely consider the statement that genetic factors play a significant role in criminal predisposition to be true. Sociobiology is a field that emphasizes the role of genetics and natural selection in shaping behaviors. It posits that many aspects of human behavior, including potentials for certain types of social conduct such as aggression or criminality, can be linked back to our genetic makeup.
About the other options, a sociobiologist may acknowledge that environmental influences and socialization contribute to criminal behavior, they do not support the notion that these are the primary factors. They may also reject the idea that criminality is a purely learned behavior or that environmental factors have no impact at all.