Consider the premise. Does the hypothesis directly oppose it? Premise: A common human genetic heritage and basic regularities in children's physical and social environments yield certain universal, broad outlines of development. Hypothesis: A common DNA doesn't necessarily lead to broad outlines of development for people.
A common human genetic heritage and basic regularities in children's physical and social environments yield certain universal, broad outlines of development.###A common DNA doesn't necessarily lead to broad outlines of development for people.