If Adopted Children Show More of a Similarity in Characteristics

Multiple Choice

If adopted children show more of a similarity in characteristics to their natural parents than to their adoptive parents, it can be concluded that:

A) the genetic characteristics of the children change over time.
B) heredity is solely responsible for how a child grows.
C) the environment is solely responsible in the development of those characteristics.
D) genetics play a role in the development of those characteristics.