Genetic traffic signal orchestrates early embryonic development

Thursday, January 7, 2016 - 12:07 in Biology & Nature

You are the product of metamorphosis. During the third week of your embryonic existence, fateful genetic choices were made that began to transform a tiny ball of identical stem cells into a complex organism of flesh and blood, bone and sinew, brain and heart and gut and lung. But what directed this remarkable developmental choreography?

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