To understand the origins of multicelled life, researchers are studying a motley assortment of simpler animal relatives. The commonalities they’re unearthing offer a trove of clues about our mutual ...

A microorganism whose evolutionary roots can be traced to the era of the first multicellular animals may provide a glimpse of how single-celled organisms made a critical evolutionary leap. In ...

In a lab at Queen Mary University of London, a mouse was born whose existence defied conventional biology. It carried within its cells the ancient genetic legacy of a single-celled creature, one whose ...

A series of whole genome and gene duplication events that go back hundreds of millions of years have laid the foundations for tissue-specific gene expression, according to a new study. The 'copy-paste ...

The mouse on the left is a chimeric with dark eyes and patches of black fur, a result of stem cells derived from a choanoflagellate Sox gene. The wildtype mouse on the right has red eyes and all white ...

Tesla Monson receives funding from the Leakey Foundation, the National Science Foundation, and Western Washington University. Jack McBride has previously received funding from Western Washington ...