Jonathan B Losos in The Guardian:
Few people would mistake a wolf for a dog. But if you saw the ancestor of the domestic cat in your backyard, your first thought would likely be “What a cool-looking housecat!” rather than “What’s an African wildcat doing in Manchester?” That’s how little they’ve changed, earning them the tag “barely” or “semi-domesticated”. There have been some minor anatomical shifts – domestic cats have longer intestines and smaller brains, for example – but very few genetic ones (and certainly many fewer than separate dogs from their wild ancestors). What about behaviour, then? Which of the traits we commonly associate with our furry friends are the result of domestication, and which do they share with their wild relatives?
More here.