[mjklin]

One theory for how wolves became domesticated is that certain of them had a condition like Williams that made them friendly to humans, who became the ancestors of modern dogs. It was mentioned on the Ologies podcast that covered canines I believe.

[Aachen]

Makes me wonder if the original wolf is similarly smarter as well

Tamed is a nice read by Alice Roberts, about domestication of various species like potatoes and horses (most of them before written history, so it's a puzzle with pieces being put together with archeological finds). One chapter is about dogs aka domesticated wolves