HumBio instructor gets props for YouTube raps

Ask Tom McFadden, an instructor in Stanford's Human Biology Program (HumBio), why arms, legs and other body parts grow where they do, and he'll hold forth on the role of Hox genes, which are proteins that bind to DNA and interact with cellular machinery to control gene expression.

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<p><a href="http://www.physorg.com/news156447082.html">HumBio instructor gets props for YouTube raps</a></p> <p>Ask Tom McFadden, an instructor in Stanford's Human Biology Program (HumBio), why arms, legs and other body parts grow where they do, and he'll hold forth on the role of Hox genes, which are proteins that bind to DNA and interact with cellular machinery to control gene expression. </p>