In the 20th century, animals such as mules and ligers that had parents of different species were considered biological flukes, but genetic sequencing is beginning to unravel the critical role of ...

In the realm of genetic engineering and biotechnology, the creation of hybrid animals—organisms that combine genetic material ...

Yet when they are brought together artificially, they can interbreed. Such hybrids are called tions and ligers. Do they challenge the definition of species? Not really. The key words are ...

The liger is a cross between a male lion and a female tiger (tigress). Ligers are the largest known cats in the world ...