Xref: utzoo sci.bio:4767 sci.med:24298 Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!ucsd!ucbvax!mtxinu!unisoft!fai!sequent!crg5!szabo From: szabo@crg5.UUCP (Nick Szabo) Newsgroups: sci.bio,sci.med Subject: Re: Semi-artificial life. Message-ID: <21542@crg5.UUCP> Date: 12 Apr 91 20:27:07 GMT References: <1991Apr10.074432.7267@newcastle.ac.uk> Reply-To: szabo@crg5.UUCP (Nick Szabo) Organization: Sequent Computer Systems, Inc Lines: 19 In article <1991Apr10.074432.7267@newcastle.ac.uk> w.p.coyne@uk.ac.newcastle writes: > >...nucleii of cells lining the gut of tadpoles of the toad Xenopus and >inserted them into toad eggs from which the nucleii had been effectively >removed by irradiation. > 90% died with no development, > 6.5% died with some divisions, > 2.5% died in the early tadpole stage, > 1% reached the adult stage. Fine, but how does this compare to the frequencies of viability for normal toad eggs? -- 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.