In snails, manipulating the orientation of cells in the early embryo alters the left–right asymmetry of the shell and body. These findings refine the search for the symmetry-breaking event in this and other animals.
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N. H. PATEL
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Patel, N. Asymmetry with a twist. Nature 462, 727–728 (2009). https://doi.org/10.1038/462727a
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DOI: https://doi.org/10.1038/462727a
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