What Does the Diathesis-Stress Model Predict About Monozygotic Twins Raised

What does the diathesis-stress model predict about monozygotic twins raised in the same household?

A) They will have no more likelihood of sharing a disorder than any other two randomly selected individuals from the population.
B) They will not necessarily have the same disorders because of potential differences in their stress.
C) They will have the same disorders because their diathesis and stress are similarly experienced.
D) They will not necessarily have the same disorders because of potential differences in their diathesis.