Xref: utzoo rec.pets.dogs:1215 sci.bio:4254 Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!wuarchive!uunet!zephyr.ens.tek.com!tektronix!sequent!crg5!szabo From: szabo@crg5.UUCP (Nick Szabo) Newsgroups: rec.pets.dogs,sci.bio Subject: Re: What is the origin of domestic dogs? Message-ID: <20853@crg5.UUCP> Date: 6 Jan 91 01:01:50 GMT References: <1990Dec23.055209.7722@agate.berkeley.edu> Reply-To: szabo@crg5.UUCP (Nick Szabo) Organization: Sequent Computer Systems, Inc Lines: 18 In article <1990Dec23.055209.7722@agate.berkeley.edu> greg@math.berkeley.edu writes: >What is the parent species of the domestic dog? If I understand correctly, >Canis Familiaris is designated a separate species because it has a separate >habitat, not because it is separated from the rest of Canis by a genetic >inability to breed. Is the definition of species "genetic inability to breed" or "practical inability to breed"? I doubt a chihuahua (assuming it could survive in the wild) would mate with a wolf, regardless of genetic or developmental compatability. -- Nick Szabo szabo@sequent.com "If you want oil, drill lots of wells" -- J. Paul Getty The above opinions are my own and not related to those of any organization I may be affiliated with.