Fig. 10. (A) Schematic representation of cell divisions and the resulting ground tissue lineage in wild type (wt) and scz. The periclinal divisions are shown with a dotted line. The cortex/endodermis initial is shown in white, the cortex/endodermis initial daughter cell in yellow, the cortex in blue, the endodermis in green and the extra cell layer of scz in red. (B) Model of interaction of SCZ, SCR and SHR. See text for a detailed discussion.

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