Twin Studies on the Heritability of Aggressive Behavior Show That

Twin studies on the heritability of aggressive behavior show that

A) there is no hereditary component to aggressive and violent behavior.
B) there is a strong hereditary component to aggressive and violent behavior.
C) aggression per se is not inherited,instead some children inherit factors that place them at risk for aggressive or violent behavior.
D) fraternal twins are more alike than identical twins,indicating a pure environmental influence.