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Sequence similarity at the nucleotide level in paired Dlx genes. Pairwise alignments of the homeobox from Dlx genes that are arranged as inverted pairs, as well as H. robusta and P. lamarckii Dlx genes. Conserved nucleotides are indicated by a dot. Nucleotide similarity is strikingly higher in the C. teleta Dlx genes than in any other gene pair.
