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Unformatted text preview: Evolution of the arthropod body plan Evolution of Ubx functions tn Drosophila Ubx o promotes haltere (rather than wing) development in the thorax o represses leg formation in the abdomen (together with Abd A) through repression of the Distalless (Dll) gene Other insects/arthropods express Ubx like Drosophila but have 4 wings and/or abdominal appendages...
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- Fall '09