Here the “Confetti” gene is transiently activated in all liver cells in a mouse ~4 weeks of age. As a result, each cell independently recombines the “Confetti” gene toward one of four fluorescent proteins. Image was taken after 2 months tracing with a Leica SP5 microscope; 10x objective.
Confocal Image of Nerves, Vessels and Neuropeptides in and Around the Stem Cell/Bulge Region of a Human Anagen Scalp Hair Follicle mag) Ericson Research Details - Center for Drug Design - University of Minnesota
"Fruit fly embryo, Here, the colors represent gene expression and the bands correspond to the developing structure of the future adult fly. Three proteins labeled in red, blue and green divide the embryo into specific compartments.
Jess Brooks, Esteban Engel, and Lynn Enquist. Kidney monkey cells infected with a herpes virus. The cells express colors which makes it easier for scientists to identify individual neurons and the circuits they form.