Chromosomal abnormalities.

The distribution of chromosomal abnormalities in murine leukemias arising in PML-RARA (A, 11 cases) orPML-RARA/BCL2 (B, 8 cases) mice reveals a defined spectrum of numerical abnormalities. Chromosome gain is depicted by green bars on the right of each chromosome, and chromosome loss is depicted by pink bars on the left. Each bar represents a single case.