Well, dog behavior is due to a large part to how they are handled by humans, and what kinds of humans pick which kinds of dogs is to a large part cultural. But

Well, dog behavior is due to a large part to how they are handled by humans, and what kinds of humans pick which kinds of dogs is to a large part cultural. But yes, there is a genetic element, you're right. The hugely artificial creatures created by dog breeders aren't a very convincing example for broad statements about "the rest of biology", though.