The trait could be something distinct, such as a dimple, a widow's peak, or an unnatural shade of color for the hair, eyes or skin;
(The trait; could be; something distinct, such as a dimple, a widow's peak, or an unnatural shade of color for the hair, eyes or skin)
The trait
could be
something distinct, such as a dimple, a widow's peak, or an unnatural shade of color for the hair, eyes or skin