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. 2009 Mar 5;4(3):e4680. doi: 10.1371/journal.pone.0004680

Figure 6. Histogram showing a comparison of the number of introns in taxa that are gains and losses at the tips of the tree (A) and at internal nodes of the tree (B).

Figure 6

The number of events was calculated using the ACCTRANS option in MacClade. Common names of the species and higher categories of organisms are given on the X axis. The number of intron gains and losses are given on the Y axis. Gains are in blue. Losses are in red.