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Evolutionary biology

Genomic hourglass

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Comparative genomics studies reveal molecular signatures of the controversial 'phylotypic' stage — a time when embryos of members of an animal phylum all look more alike than at other embryonic stages. See Letters p.811 & p.815

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Figure 1: The developmental hourglass, as revealed by comparative genomics.

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Prud'homme, B., Gompel, N. Genomic hourglass. Nature 468, 768–769 (2010). https://doi.org/10.1038/468768a

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