All-female Ambystoma salamanders steal DNA from males of other salamander species.
Some Ambystoma salamanders of northeastern
North America don’t need males to reproduce, instead cloning themselves
generation after generation.
It’s a situation many scientists believe is a dead end, since the
lack of fresh genes from males could eventually make the females weaker. But that’s not what a new study shows.
A scientific team focused on the ability of a salamander to lose part
of its tail—whether in response to a predator or some other
mishap—and quickly regenerate the missing appendage…