Representative bivariate dot plots illustrating the absence or presence of different levels of CTMCs and MC-committed CD34⁺ precursors in blood of representative CTMC^–or CTMC⁺patients. (A-C) Data for whole blood cells are shown. Red dots represent CTMCs; blue dots, CD34⁺ MC precursors; green dots, other CD34⁺ cells; gray dots, other nucleated cells. (A) CTMC^– and (B-C) CTMC⁺patients. APC, allophycocyanin; FITC; fluorescein isothiocyanate; PE, phycoerythrin.