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Fig. 5. Multiple related copies in maize. Synteny to the ancestral rice blocks (ARBs) defines multiple related copies within the maize genome. (A) Homologous sequences are plotted by their location on maize chromosomes and placement in ARBs. Enlarged colored dots denote syntenic regions. (B) A condensed view of the synteny between the maize chromosomes and the ARBs is presented along the bottom. A linear display of the maize chromosomes with the synteny to the ARBs highlighted by their respective colors reveals multiple related copies within the maize genome. The ARBs, being devoid of major duplications, identify the remnants of the duplication events in the maize evolutionary lineage.
