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Dot plot of recent segmental duplication blocks in S. mansoni genome. The blocks were determined by Nucmer. Orientation is diagrammed with different colors. Only the blocks ≥5 kb are shown. A high proportion of these sequences are retrotransposons that are widespread in the genome. The tandem dots suggest that the genome has experienced substantial small tandem duplications. Some genomic regions seem to be duplicated in all the chromosomes.
