File:Wingless.png

Wingless and Hedgehog reciprocal signaling during segmentation of Drosophila embryos.

Source: I made this diagram with ClarisDraw and PhotoShop.

The copyright to this image is retained by John Schmidt (JWSchmidt). Permission is granted to copy, distribute and/or modify this image under the terms of the Wikipedia GFDL, as indicated in the fine print at the bottom of this page.

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Wingless-ja.png