Xref: utzoo sci.bio:2695 rec.pets:10897 Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uwm.edu!csd4.csd.uwm.edu!debbie From: debbie@csd4.csd.uwm.edu (Debbie Forest) Newsgroups: sci.bio,rec.pets Subject: Re: What distinguishes a species? Message-ID: <2285@uwm.edu> Date: 7 Feb 90 11:50:33 GMT References: <22448@siemens.siemens.com> <202@53iss6.Waterloo.NCR.COM> <25520@gryphon.COM> <3251@hp-sdd.hp.com> Sender: news@uwm.edu Reply-To: debbie@csd4.csd.uwm.edu (Debbie Forest) Followup-To: sci.bio Distribution: usa Organization: University of Wisconsin-Milwaukee Lines: 10 In article <3251@hp-sdd.hp.com> andrea@hp-sdd.UUCP (Andrea K. Frankel) writes: > >Physical difficulties notwithstanding - if you (ahem) gathered sperm >from a St. Bernard and artificially inseminated a Chihuahua in heat, >you would get offspring which were themselves fertile. well, no, you'd probably actually get an exploding chihuahua, but... :-) yes, all dogs are the same species. but why then aren't wolves in the species too, since dogs and wolves can cross-breed?