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Deletions made to CR-F. The level of conservation is seen at the top. Each deletion is identified by its location in the sequence in Figure 5. They were qualitatively assessed for their ability to drive expression in the otic placode (otic) or lateral plate mesoderm (meso) to determine whether they had the same level as the the full length (F14) construct, ++, had a reduced level, +, or an undetectable level (−).
