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Fig. 2 camk2b1 and camk2g1 morphants display hypoblast movement defects. Dorsal views of representative morphant embryos injected with 3 ng mismatch morpholino oligonucleotide (MO), 3 ng camk2b1 MO, or 1.5 ng camk2g1 MO and then probed for myoD and tbxta at 90% epiboly (A–C) and at the 6–7 somite stage (ss) (D–F). (G) length:width (L:W) ratios at the 6–7ss were averaged from 24 to 29 embryos per condition across three replicated matched studies. Length was measured from the anterior region of somite 1 to the posterior region of somite 6 (denoted by vertical white line) and width of somite 6 (denoted by horizontal white line). Scale bar 0.05 mm. ***p < .001