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. 2016 Jun 10;17:447. doi: 10.1186/s12864-016-2774-3

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© The Author(s). 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Reconstruction of the Squamate ancestral macrochromosomes. The predicted karyotype for the Amniote and Archosauromorpha (crocodiles, dinosaurs and birds) ancestor is based on Uno et al. [5]. Only microchromosomes relevant to squamate macrochromosome evolution have been included. Boxes in grey indicate the events (fissions or fusions) leading to the predicted karyotype for the Squamata, Toxicofera, Iguania and Ophidia ancestors. The reconstructed chromosomes have been colour-coded for homology to chicken chromosomes