Key points are not available for this paper at this time.
Genes do not by themselves produce structural or functional characteristics. Variables within the organism (e.g., cells, tissues) and extraorganism contextual variables reciprocally interact with genes, making changing organism-context relations the basic process of development. This conception of basic process raises 2 sets of conceptual and methodological alterations for developmental psychology, especially for research pertinent to humans
Richard M. Lerner (Tue,) studied this question.