Conservation in the Hox code during morphological evolution.

  title={Conservation in the Hox code during morphological evolution.},
  author={Stephen J. Gaunt},
  journal={The International journal of developmental biology},
  volume={38 3},
The expression domains in paraxial mesoderm of the chicken embryo are described for Hoxb-3, a-4 and c-6 genes, and these are compared with published expression data for the corresponding genes in the mouse. In both species, it is found that the anterior limits of Hoxb-3 and a-4 expression lie in the upper cervical region, and the anterior limits of Hoxc-6 expression lie in the upper thoracic region. This finding is remarkable because the cervical region, or neck, of the chicken (with fourteen… CONTINUE READING

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