Ruppies were the world's first transgenic dog ... Below are some of the most rare and spectacular pictures of the genetically modified glowing animals.

Purdue animal ... of a transgenic organism is that the transgene, though rare, can spread in a natural population. An increase in transgene frequency is often assumed to be unlikely because transgenic ...

The marmosets are the first transgenic primates — animals that carry a foreign gene. Some of the animals were able to pass the foreign gene to offspring, the researchers report in the May 28 Nature.

Researchers said mass breeding of the animal would enable ... purified from the milk of the transgenic cow, and used to treat B cell lymphomas and leukemias and some auto-immune diseases, said ...

Scientists working with mice, for example, can order animals online with the specific genetic properties they are hoping to study — transgenic ... “If you look at some of the other model ...