
Gene expression marks the sites of condensing cartilage (red) and the sites of forming joints (blue) in the developing skeleton. Limb from a 15 day mouse, stained for noggin (red) using a lacZ gene replacement of noggin coding sequence and magenta-gal stain. Blue stain in prospective joints by in situ hybridization to
This is an example of research in the laboratory of Richard Harland in the Department of Molecular and Cell Biology.
Photo submitted by Richard Harland.
