In one generation, a new species of all-female lizard is bred in a lab
Read it all. It’s short and simple, for science. The link is in this comment.
In a lab in Kansas, Aracely Lutes has created a new species of all-female lizard that reproduces by cloning itself. There wasn’t any genetic engineering involved; Lutes did it with just a single round of breeding.
This feat stands in stark contrast to the slow pace at which species usually arise. Here’s the typical story: different populations become separated in some way, whether by space, time, predators, sexual preferences, or an inability to understand one another. Differences gradually build up between them, until they can no longer produce fit and fertile offspring. Voila – where there was once one species, there are now two.
There has been one tantalising exception to this catalogue of failure. In 1967, William Neaves (who was also involved in this new study) described two eggs that had been laid by a hybrid lizard, the offspring of a Western whiptail (A.inornata) and a Chihuahuan spotted whiptail (A.exsanguis; itself a hybrid). The lizard seemed fertile, but its eggs dried out before they could hatch. No one could prove that the hybrid would truly have raised viable young.
But that was enough for Lutes. She set about trying to breed a hybrid whiptail, using the same combination of parent species that Neaves described.