Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.

The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.

Plant reproduction is the production of new individuals from one or more parent plants. This can be accomplished by sexual or asexual means. Potato is clonally propagated, with a complex genome and a ...