Helppppppppppppppppppp! ILL GIVE BRAINLIEST!!!!!

The graph below shows four different traits and the extent to which each trait is shared among different types of siblings raised in the same environment. In the graph, identical twins are siblings who share the same mother and father and are genetically identical, biological siblings are siblings who share the same mother and father but are genetically unique, and adoptive siblings are siblings who do not share the same mother and father.


Based on the information in the graph, which trait has the strongest genetic component?


A. Trait 1

B. Trait 2

C. Trait 3

D. Trait 4