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Figure 4 | BMC Genomics

Figure 4

From: Reconstruction of gross avian genome structure, organization and evolution suggests that the chicken lineage most closely resembles the dinosaur avian ancestor

Figure 4

Total number of chromosomal inversions in six extant species as they diverged from the ancestor. The inversions most parsimoniously explain the patterns seen in these species. (A) For chromosomes 1–5, sufficient coverage of the lizard outgroup allowed conclusions to be drawn from an avian ancestor. (B) For chromosomes 6–28 + Z, ostrich was used as an outgroup due to the lack of coverage in the lizard. Greatest rates of change were seen in zebra finch and budgerigar. The phylogenetic tree is based on [35].

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