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Phylogenesis of exon 5 of Tep2. a Phylogenetic analysis of the exons 5 of Drosophila Tep2s. b Positions of the exons 5 on the genome of Drosophila species. The letters A, B and C refer to those given in FlyBase for melanogaster species; we have inverted D and E to follow the disposition on the chromosome.
