Which best defines heredity?
A
Heredity is the physical and personality traits displayed by the majority of a population.
B
Heredity is the traits that are expressed by an organism in response to the environment.
C
Heredity is the behaviors that are shown by offspring which are learned from their parents.
D
Heredity is the passage of genetic instructions from generation to generation through DNA.
D
Heredity is the passage of genetic instructions from generation to generation through DNA.