Hoxd3 [Search on AGR]
Mus musculus PHENOTYPE: Mice homozygous for a knock-out allele show partial postnatal lethality, asymmetric rib-sternum attachment, and anterior transformations of the cervical vertebrae I (atlas) and II (axis). Mice homozygous for a different knock-out allele lack the anteriorarch of the atlas and the dens of the axis. [provided by MGI curators]