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24 colour multifish karyotype showing the complexity of the genomic rearrangements with rearranged chromosomes in most pairs and several unidentified marker chromosomes (bottom left). Of particular interest are the translocation of chromosome 21 (in green) to the distal chromosome 4 (in grey) and the loss of chromosomes 9. In this cell, there were 2 der(3)t(3, 15) instead of one in most other cells which were analyzed.
