Serial homology and the evolution of mammalian limb covariation structure.

@article{Young2005SerialHA,
  title={Serial homology and the evolution of mammalian limb covariation structure.},
  author={Nathan M Young and Benedikt Hallgr{\'i}msson},
  journal={Evolution; international journal of organic evolution},
  year={2005},
  volume={59 12},
  pages={2691-704}
}
The tetrapod forelimb and hindlimb are serially homologous structures that share a broad range of developmental pathways responsible for their patterning and outgrowth. Covariation between limbs, which can introduce constraints on the production of variation, is related to the duplication of these developmental factors. Despite this constraint, there is remarkable diversity in limb morphology, with a variety of functional relationships between and within forelimb and hindlimb elements. Here we… CONTINUE READING
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