Phenotypes of clonogenic cells with relatively homogeneous output activities. (A) Representative fluorescence-activated cell sorting plot of a gating strategy to isolate functionally more homogeneous lin^–CD34⁺ CB progenitors. (B) Mean combinatorial outputs of NM, E, and L (B, NK, or T-precursor) cells from each gated population in clonal STC assays (4 independent experiments). Mean ± SD for the frequency of each population within the lin^–CD34⁺ compartment is indicated below the relevant labels. See also supplemental Tables 4 and 5.