SIO448: How To Build A Dinosaur
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The Intricacies of Evolution and Gene Expression
This chapter examines the complex interplay of evolution and genetics, emphasizing how gene expression and developmental changes shape organisms. Through engaging analogies, it explains the role of signaling pathways and morphogens like sonic hedgehog in cellular differentiation and embryonic development. The discussion highlights the remarkable organization and adaptability of genetic mechanisms, drawing parallels to technology and bureaucracy in illustrating biological processes.
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