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Figure 4. A Simple Model Accounts for Cell Division Waves (A) Cell-cycle periods for cells in the animal half (blue) and vegetal half (red) of nine unperturbed embryos at 18°C. Black bars are medians, and the shaded boxes indicate 25th and 75th percentiles. (B) The first six simulated divisions of a cubic space representing the embryo. (C–F) Simulated cell division waves in the side view (C) and top view (E). (D) and (F) are experimentally measured cell division waves at 18°C for comparison. See also Figure S1. Image published in: Anderson GA et al. (2017) Copyright © 2017. Image reproduced with permission of the publisher and the copyright holder. This is an Open Access article distributed under the terms of the Creative Commons Attribution License. Larger Image Printer Friendly View

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