On the nature of thumbs
作者： Günter P Wagner , Alexander O Vargas
关键词: Hox gene 、 Functional genomics 、 Numerical digit 、 Genetics 、 Biological evolution 、 Regulation of gene expression 、 Tetrapod (structure) 、 Biology 、 Evolutionary biology
摘要: Asymmetric regulation of Hox gene expression pre-dates the appearance tetrapod digits, and was co-opted in development 'thumbness'. This asymmetric correlates with independent morphological evolutionary variation digit 1.
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