When two people fuse through the fusion dance, or the potara earrings, the newly fused product leans to the characteristics and personalities of the two former subjects, but they do not submit to their control. The only character who ever submitted to control was super Gogeta, who had no choice.
The pupil is a hole located in the centre of the iris of the eye that allows light to strike the retina. It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow pupil.
Pupil is defined as a dark circular opening in the center of the iris in the eye. An example of the pupil is the center part of the eye that gets smaller when you are exposed to very bright light in order to limit light exposure to the retina. The definition of a pupil is a student in school. A first grader attending elementary school is an example of a pupil.