But chimeras are not only fairy tales or figments of an overactive ancient Greek imagination ... He also created animal hybrids, like the zeedonk (zebra-donkey) and zubron (bison-cow).

Over millions of years, multicellular animals appear to have co-opted these ancient genetic tools ... stem cells were then used to create a chimera, a mouse composed of two distinct genetic ...

What’s the most important animal in human ... one derived from the ancient choanoflagellates. The genes were injected during the mouse’s embryonic state and created a chimera, which is the ...