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Figure 1 | BMC Biology

Figure 1

From: Minor shift in background substitutional patterns in the Drosophila saltans and willistoni lineages is insufficient to explain GC content of coding sequences

Figure 1

Evolutionary relationships based on Xdh among the nine species studied including D. melanogaster, D. pseudoobscura and D. virilis as outgroups [26]. GC content at third position sites are presented in parentheses [23, 28]. D. melanogaster diverged from D. pseudoobscura 25–40 MYA [20], D. melanogaster and the saltans/willistoni groups diverged approximately 30–40 MYA [20], while the saltans and willistoni groups diverged approximately 20 MYA [27]

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BMC Biology

ISSN: 1741-7007

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