Fig. 2. Partner chromosomes. The numbers on X and Y rows are the chromosome numbers. The number of observed cases are represented by gray scale. The numbers under the scale bar located in the lower right area of each figure indicates the number of cases observed. (A) Partner chromosomes involved in all of the translocations observed in this study; (B) partner chromosomes involved in arm-to-arm (centromeric/pericentromeric) translocations in this study.