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Sonic Hedgehob tells feathers how to grow

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Sonic Hedgehob tells feathers how to grow

Postby Pajarita » Wed May 06, 2020 9:12 am

No, not the cartoon character :lol: a signaling molecule (and yes, it was actually named after the character) and what it does is signal to the cells in a very early stage of development into what kind of feather they should turn (primary, contour, etc). But the super interesting part is that this molecule in birds was co-opted during evolution from the molecule that tells mammals which finger to grow where! How is that for cool?! ... 043020.php
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