Suppose that adopted children are more similar to their biological parents than their adoptive parents in their preferences for a flavor of ice cream. Which of the following would be true?

Suppose that adopted children are more similar to their biological parents than their adoptive parents in their preferences for a flavor of ice cream. Which of the following would be true?

a. Heritability of this trait is high.
b. Preferences for ice cream are determined solely by the environment.
c. Flavors of ice cream are naturally selected.
d. Heritability of this trait is low.