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Fig. 7. Enhancer activity of individual Hoxb5 non-coding elements in
transgenic mouse embryos. (A-H) Reporter transgene expression was
analyzed in primary transgenic embryos whose age varied from E12.5 to E14.5.
The name and origin of the tested CNE are shown at the bottom right-hand
corner of each panel. Arrowheads mark somite derivatives; arrows point to the
neural tube. Mm, Mus musculus; Dr, Danio rerio; a and b
refer to the hoxba and hoxbb zebrafish complexes,
respectively. Scale bar: 1000 µm.