Carol Has Average Size Hands for a Woman

Carol has average size hands for a woman. Her mother has rather large hands and her father relatively small hands for a man. Carol's sister says Carol has a combination of the large and small hands resulting in Carol's medium hand size. Carol has studied genetics
In school and knows this is not true because specific traits are passed on, not ________
Ones.

A) blended
B) adaptive
C) mutated
D) physical