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Early limb bud patterning is normal in Snai1/Snai2 DM limbs. (A–D) In situ hybridization for Col2a1 expression at E12.5. (E–F) Alcian blue-Alizarin red staining of control and DM embryos at E13.5. Both forelimbs and hindlimbs of Snai1/Snai2 DM embryos exhibit normal patterning and are similar in size and stage to limbs of control littermates.
