Michael, Bearded dragons have sex chromosomes, a ZZ/ZW pattern similar to birds and snakes, but recent work has shown that high incubation temperatures can reverse genotypic males (that is, embryos possessing ZZ sex chromosomes) into phenotypic females. Much of the recent sex-determination work coming out of Australia suggests a continuum of sex-determining mechanisms rather than a strict dichotomy between genetic and environmental mechanisms. Crazy stuff. Tony
Michael Hance <[EMAIL PROTECTED]> wrote: >Gender-Bended Lizards. Scientists in Australia found warmer >temperatures caused baby bearded dragon lizards to change from males >to females while still in their eggs, making it harder for them to >find mates. Trippy. [ABC AU] > >AlterNet: Environment: Top 100 Ways Global Warming Will Change Your Life > > >Lyle Puente >Global Gecko Association >http://www.gekkota.com Are bearded dragons known to be TDSD? I wonder if anyone who breeds them has experienced this when incubating at high temps. Michael Michael W. Hance M.S. Ph.D. Candidate / GRA University of Tennessee Knoxville Department of Pathobiology Molecular Cancer Analysis Laboratory VTH Lab#307A Lab Phone 865-974-5834 [EMAIL PROTECTED] _______________________________________________ Global Gecko Association http://www.gekkota.com Classifieds http://www.gekkota.com/cgi-gekkota/classifieds.cgi gecko mailing list [email protected] http://lists.gekkota.com/mailman/listinfo/gecko --------------------------------- Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: mail, news, photos & more.
