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Most-parsimonious trees obtained for the evolution of 16 low-copy loci in diploid (A1, D5) and allopolyploid (AT, DT) Gossypium genomes. The outgroup taxon, G. kirkii, is designated by the abbreviation Gk. Branch lengths (number of inferred changes) are indicated. (Lower Right) Merger of the 16 data sets leads to the global analysis shown.
