Re: [gecko] whooaaa!

2007-09-29 Thread Lyle Puente
someone sent me this and its something I was unaware of 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]

RE: [gecko] whooaaa!

2007-09-29 Thread Michael Hance
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

RE: [gecko] whooaaa!

2007-09-29 Thread tony gamble
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