Venus is not necessarily a chimera, or an animal whose cells contain two sets of DNA caused when two embryos fuse together during development. But to find out for sure whether or not Venus is a chimera, she’d need to perform genetic testing.
Janus, a two-headed Greek turtle named after the Roman god with two heads is testing a kind of skateboard to rehabilitate one day ahead of her 25th birthday at the Natural History Museum in Geneva on September 2, 2022. (Photo by Pierre Albouy/Reuters)