"Cinnamon and black genes exist in all squirrel populations," he said.

The gene may exist in your body, but it's now private property.

While identified as entities, genes exist in groups because evolution favors cooperation.

So how could any biological organism evolve into a state where the body, and therefore the genes, no longer exist at all?

This small putative gene exists only in a few papillomavirus types.

A strict definition of the term is that no homologous gene exists in any other species.

The genes existed only as information patterns in a medical file until I synthesized them.

This gene exists in a cluster with four other paralogous genes.

A gene existed to replicate itself and required a vehicle, an organism, in which to do it.

These genes exist in two ordered groups on Drosophila chromosome 3.