For a Specific Trait, Monozygotic Twins Have a Phenotypic Variance

Multiple Choice

For a specific trait, monozygotic twins have a phenotypic variance of 15% and dizygotic twins have a phenotypic variance of 40%. Which of the following can be concluded for this trait based on this data from a twin study?

A) V_G for monozygotic twins is 15%
B) V_G for dizygotic twins is 25%
C) V_E for monozygotic twins is 30%
D) V_G for dizygotic twins is 50%
E) V_E for dizygotic twins is 25%