Contact: Alexandra O. Borissova
Moscow Institute of Physics and Technology
Caption: Micrographs show the normal morphology of the tarsal structures of the wild type Canton S, ssa40ahm and milkah-1 flies. Antennal structures of the milkah-1 mutant flies do not show any difference from the wild type. The distal segment of the antenna -- the arista -- of the ssa40ahm flies presents a certain thickening of the proximal end. The arista of the ssa40ahmmilkah-1 hybrid flies suffered homeotic transformation into an unsegmented tarsus. The tarsal structures of the ssa40ahmmilkah-1 hybrids show altered segment fusion.
Credit: PLoS One
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