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Fig. 10. (A-D) The neural tube of a Tg(H2AF/Z)kca37; Tg(H2AF/Z)kca66 embryo that had received an injection of ASIP morpholinos. The arrows in A and B point to a metaphase plate that forms parallel to the neuroepithelium, but shifts by 90° to divide perpendicularly. Both daughter cells integrate into the same side of the neural tube. (E-H) The neural tube of a hasm129 /hasm129; Tg(H2A.F/Z)kca37/+ embryo. As in A-D, the metaphase plate forms parallel to the neurocoel, but shifts by 90° and the ensuing division is perpendicular. Arrows indicate the dividing cell. Anterior is towards the top.