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Random expression goes binary

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The production of intestinal cells in a worm embryo is regulated by a network of transcription factors. Studies of these networks in mutant worms provide evidence for stochastic effects in gene expression.

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Figure 1: An organism with guts.

J. KING-HOLMES/SPL

Figure 2: Control of intestinal differentiation in the embryos of Caenorhabditis elegans.

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Streit, A., Sommer, R. Random expression goes binary. Nature 463, 891–892 (2010). https://doi.org/10.1038/463891a

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