Minimum distances between nonhomologous BCR and ABL genes (AB_m ). Distributions of 2D projections of the minimum distances between the BCR and ABL genes in the control (A, B, and E) and in the γ-irradiated (5 Gy; C and D) human lymphocytes. The mean values and standard deviations are given in Table 2. The curves represent the theoretical distributions calculated by Monte-Carlo simulation using experimentally determined center-to-gene distributions from Fig 1 (according to the RS model).