What role does heredity play in deterring our traits

Heredity influences human behavior by the passing on of genes from a parent to its offspring for example eye color or hair color.

None, you can not inherit any traits from someone but only genes, rather you can be raised to act, behave (certain traits) etc... by someone but you cant i herit any of that, more of stuff like how tall you are or your eye color

The talk test measures ease of speaking during exercise;