Nurturing Life Sciences
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#Unit 5. Developmental Biology
The segment polarity genes encode proteins that are constituents of the Wnt and Hedgehog signaling pathways.
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The homologue of β-catenin in Drosophila is Armadillo.
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The homologue of TGF-β in Drosophila is Dpp.
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Antennapedia(Antp), which is required for the identity of the second thoracic segment.
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Ultrabithorax (Ubx), is required for the identity of the third thoracic segment.