Scientists have engineered a hybrid mouse with a gene that predates all animal life. The team replaced a single gene in the mouse stem cells with a version from an ancient, single-celled ancestor, and ...

Scientists at Queen Mary University of London and the University of Hong Kong have created a mouse with substituted genes from a single-celled organism known as a choanoflagellate. Scientists replaced ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

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 ...