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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Molecular phylogeny of the Drosophila obscura species group, with emphasis on the Old World species

Figure 1

Saturation plots for nucleotide substitutions. For each comparison, ratios of ti/tv for pairs of sequences (Y-coordinate) are graphed versus the corresponding numbers of total substitutions (X-coordinate). (A) and (B), concatenated sequence of the mitochondrial genes, 1st+2nd and 3rd codon positions, respectively; (C) and (D), Adh sequence, 1st+2nd and 3rd codon positions, respectively.

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