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Comparison of the labial appendages and the thoracic legs of wild type and RNAiScr Periplaneta americana adults. (A) Dissected head of a wild type adult. (B) Dissected head of an RNAiScr adult. Note that the labial appendages are unaffected and appear wild type. (C) Wild type adult T1 leg. (D) T1 leg of an RNAiScr adult. The legs remain unaltered and do not take on a T2 identity. (E) Wild type adult T2 leg.
