Science is fun. Here’s Australia, worried about invading European carp, and they plan to fight it by releasing more carp, this time with a gene that will ensure only males are born from them. I’m sure nothing could possibly go wrong here.
“If you turn everything into a male, sooner or later the population collapses,” said Ron Thresher of the CSIRO, Australia’s national research organization.
I am not going to touch that statement with a ten-foot pole.