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. 2016 Aug 19;371(1701):20150445. doi: 10.1098/rstb.2015.0445

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© 2016 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — (a) Modified life cycle of the system with cells of type A, B and A′. (b) Differentiation graph with the epimutation A′. Notice that cells of type A′ produce cells of type A′ and B, but that cells of type B cannot produce cells of type A′.