Rapid genomic DNA variation in newly hybridized carp lineages derived from Cyprinus carpio (♀) × Megalobrama amblycephala (♂).

The Hox gene cluster organization showed that, as the first generation of distant hybridization, IDC-F 1 had undergone extremely significant mutations; for example, in HoxA4a , IDC-F 1 has five putative clusters and seven recombinant clusters (Fig. 1 b and Tables 1 and 2 ); in HoxD4a , IDC-F 1 has six putative clusters and one recombinant cluster (Fig. 1 c and Tables 1 and 2 ); in HoxD10a , IDC-F 1 has five putative clusters and two recombinant clusters (Fig. 1 d and Tables 1 and 2 ).

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