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Figure 6 | BMC Genetics

Figure 6

From: Conserved genomic organisation of Group B Sox genes in insects.

Figure 6

A model for the evolution of Group B Sox genes in insects following the proposal of Kirby et al (2002) for vertebrates. In this view an ancestral group B gene is duplicated during an ancient genome duplication event to generate Dichaete and SoxN. A tandem duplication of Dichaete generates Sox21a; these events would be common to the ancestor of vertebrates and invertebrates. In insects, a further duplication of Dichaete gives rise to Sox21b.

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