Answer :

Heredity allows for change between generations and consistency between generations. The correct option among all the options given in the question is "both A and B" or the third option or the penultimate option. I hope that this is the answer that has actually come to your desired help.
Answer;
Heredity allows for change between generations and consistency between generations.

Explanation;
Heredity involves the passing of characteristics or traits from one generation to the next. It accounts for the reason as to why offspring look like their parents.
Through heredity, living things inherit traits from their parents. Traits are physical characteristics, such as hair and skin color, height, and other trait.