Additional file 1.
Supplementary Figure S1. The origins of the different types of syntenic relationships. Immediately after a speciation event, equivalent chromosomes in two daughter species retain the gene content, order and orientation of the parent species. (a) Diagrammatic representation of a chromosome with sequential elements A to Z. (b) A dot plot comparing the chromosomes in (a), with letters substituted for dots. The unbroken series of letters on the diagonal indicates macrosynteny. (c, d) Loss of sequences from each chromosome (c) will degrade the diagonal co-linearity when visualized as a dot plot (d).
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Hane et al. Genome Biology 2011 12:R45 doi:10.1186/gb-2011-12-5-r45