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The gene map of the chloroplast genome of Wolffia arrhiza. The map identifies three distinct regions: the large single copy region (LSC), the small single copy region (SSC), and the inverted repeat A/B regions (IRA/B). Additionally, the innermost dark gray track represents the GC contents. Genes on the inner side of the map are transcribed counterclockwise, while those on the outer side are transcribed clockwise.
