What is the signaling pathway that mediates the organizing activity of the A/P organizer in the Drosophila wing disc? Describe two experiments that suggest this pathway functions to organize pattern and promote growth along the anterior/posterior axis of wing imaginal discs.

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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What is the signaling pathway that mediates the organizing activity of the A/P organizer in the Drosophila wing disc? Describe two experiments that suggest this pathway functions to organize pattern and promote growth along the anterior/posterior axis of wing imaginal discs.

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In Drosophila a morphogene i.e. DPP is responsible for the development of wing precursors. DPP gene is expressed in the anterior and posterior sides of the fruit fly. This morphogene also regulates gene expression and helps in the development of wing veins. DPP morphogene is necessary for the development of wings in Drosophila. 

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