The green arrowheads indicate cells that were visible but not expressing GFP, whereas the GFP+ cells are indicated by the red arrowheads. This is a typical field with 10 of 16 cells positive for GFP.

They found that the dsRED+ cells remained largely in circulation, while the GFP+ cells achieved two different fates, forming both lymphocytes and myelomonocytic cells, both of which could be ...