One Method Used to Study Behavioural Genetics Is Twin Studies

Multiple Choice

One method used to study behavioural genetics is twin studies. This allows researchers to obtain estimates of how heritable personality traits are. If a trait is genetically influenced,

A) fraternal twins should be more similar than identical twins.
B) there will be no difference between fraternal and identical twins.
C) identical twins will be no more similar on that trait than fraternal twins.
D) identical twins should be more similar on that trait than fraternal twins.