TER119 is absent in EKLF-null fetal liver. Representative dot plots of FACS-sorted E14.5 fetal liver cells from EKLF^+/+ and EKLF^-/- mice stained with TER119-PE and either CD71-FITC (transferrin receptor) or CD117-FITC (c-kit). The top and right quadrants represent positive stained cells. The percentage of cells in each quadrant is indicated.