Distribution of bone marrow cells with intergenic distances ≤2 μm during interphase. (A) CD34⁺ cells. Comparison of distances PML-RAR with PML-βGLB. (B) CD34⁺ cells. Comparison of ABL-BCR with ABL-βGLB. (C) CD34⁺ cells stimulated with IL-3. Comparison of distances PML-RAR with PML-βGLB. (D) CD34⁺ cells stimulated with IL-3. Comparison of distances ABL-BCR with ABL-βGLB. See text (Results) for statistically significant differences. The legends are as in Fig 2.