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Caption: These are six genetically identical mouse embryos displaying stochastic phenotypic variability after deletion of maternal Trim28. This image relates to a paper that appeared in the March 23, 2012, issue of Science, published by AAAS. The paper, by Daniel M. Messerschmidt at Institute of Medical Biology in Singapore, and colleagues was titled, "Trim28 Is Required for Epigenetic Stability During Mouse Oocyte to Embryo Transition."
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