Impact of xid and BR-3 mutation on BM and splenic B-cell subsets. (A) Flow cytometric analysis of BM or spleen cells from an 8-week-old C57BL/6 (B6) or homozygous B6.xid female. Antibody combinations are as described for Figure 1. Data are representative of 4 separate experiments. (B) Separate analysis of 8-week-old A/J and A/WySnJ mice. Data are representative of 3 mice per group (Table 1).