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Proposed updates to the Ancestral Karyotype of Extant Canids (AKEC) [39]. Asterisks denote regions of the fox chromosomes where the ancestral chromosome number was unknown in [39]. The original AKEC underestimates the coverage of VVU4 and VVU13 by the previously identified homologous ancestral chromosomes. The results of comparative genome mapping support a simpler homology between the ancestral chromosomes and the modern vulpine chromosomes, as indicated to the right.
