My neighbor down the road loves to fish. So do his two sons, who, by the way, look like their dad and walk like him. What a bond! I don't fish, and neither do any of my five children, but we share the same sense of humor. What a relief! My aunt in Scotland is amedical doctor, and so is her daughter. They think alike.

Another coincidence? The plumber in our village comesfrom three generations of plumbers. The woman who soldme a big ripe Gouda cheese at the Wednesday market inLeiden, just outside Amsterdam, had her mother and herdaughter working for her. All dressed the same.

What's going on here? Is there some kind of patternemerging? How come they are so much alike? They haveall grown up with ............