Undeniably, social interactions and attentiveness from parents, close others, and teachers contribute to the development of dominance and non-dominance in twins. The twin dynamic, based on parent perceptions of the children, is a critical factor: “Is my son more like his mom or dad or one of his grandparents?" "Is my daughter more like her mother or father?” The comparing and contrasting of twins begins early in life and typically never stops as people ask pointed questions about how each of the twins are different.