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Breaking evolutionary and pleiotropic constraints in mammals: On sloths, manatees and homeotic mutations
BACKGROUND: Mammals as a rule have seven cervical vertebrae, except for sloths and manatees. Bateson proposed that the change in the number of cervical vertebrae in sloths is due to homeotic transformations. A recent hypothesis proposes that the number of cervical vertebrae in sloths is unchanged an...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2011
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3120709/ https://www.ncbi.nlm.nih.gov/pubmed/21548920 http://dx.doi.org/10.1186/2041-9139-2-11 |