Structural rearrangements and transposons. Structural rearrangements among the three medaka strains with annotations of major repetitive elements. Strains are ordered as HNI, Hd-rR, and HSOK to clearly illustrate that megabase-scale inversions associated with divided centromeric arrays are specific to HNI. For Chr 11, however, the order is Hd-rR, HNI, and HSOK to highlight a large inversion specific to Hd-rR.