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Dot plots of sequence similarity between the chimeric HBB/D (β/δ) fusion genes of paenungulate mammals and the HBD and HBB genes of human. Top row: Asian elephant β/δ fusion gene versus human HBD and HBB; Middle row: Dugong β/δ fusion gene versus human HBD and HBB; Bottom row: Rock hyrax β/δ fusion gene versus human HBD and HBB.
