Bill Adlam on 11 Mar 2004 22:36:11 -0000 |
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[spoon-discuss] genemodding |
The genetic transformation of (for example) bacteria has a very low success rate, so it is necessary to treat thousands or millions of organisms to achieve one or two successes. In order to detect these desired individuals, the gene of interest is accompanied by another which performs a useful metabolic role, e.g. synthesising a nutrient or degrading an antibiotic. The experimental population is plated out on a growth medium whose composition prevents the non-transformed cells from reproducing. Only those with the transgenes are able to breed, forming new colonies of young bacteria and thereby dominating the culture. Happy, Baron? > ...Name one culture that wasn't on Star > Trek or the Twilight Zone where the youngers are more powerful than > the elders. If you can (and by youngers I mean newborns are the most > powerful members of society), I'll grant you your little lunacy.- I never said the newbies should be the most powerful - although that would be consistent with early evolutionary theory, where more primitive creatures were held to give rise necessarily to more advanced forms. Darwin wrote himself a memo "never say 'higher' or 'lower'", but 130 years later I was still having to write an essay on "lower aquatic vertebrates", meaning Ordovician and Devonian jawless fish. Anyway, I don't intend to rely on entrenched privileges or aristocratic titles to wield power. My villanous scam next nweek will have everyone quivering in fear. Well, groaning in annoyance, at least. Sagitta P.S. I second Zarpint's request for a Calvinball list. ___________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html _______________________________________________ spoon-discuss mailing list spoon-discuss@xxxxxxxxx http://lists.ellipsis.cx/mailman/listinfo/spoon-discuss