What evidence illustrates that the need for affiliation has a genetic component?
A)Adoption studies show that siblings raised in different environments show similar patterns of social activity.
B)Our set point for needing affiliation correlates with cortical thickness.
C)People who are low in their need for affiliation are more likely to have genetic 5-HTTLPR polymorphism.
D)Twin studies show that set points for the need for affiliation are influenced by genetics.

Question

Quizplus · Accepted Answer

Twin studies have shown that genetic factors play a role in determining individuals' set points for the need for affiliation. This suggests that the need for affiliation has a genetic component, rather than being determined solely by environmental factors.

What Evidence Illustrates That the Need for Affiliation Has a Genetic