Fossils, genes and the evolution of animal limbs.¶
Shubin, N., Tabin, C., & Carroll, S. (1997). Fossils, genes and the evolution of animal limbs. Nature, 388, 639-648.
Cited by¶
1 citation across 1 artifact.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Inheritance
- In phylogeny the parent and derivative are an ancestral and a descendant clade; the lineage relation is descent; default carrying-over transmits the ancestral body plan — the four-limbed tetrapod plan is inherited by all tetrapods without re-evolving; and selective override specialises it, as when cetaceans override the hindlimbs to near-absence and snakes override the limb plan entirely while remaining recognisably tetrapod in skeleton and physiology.
This sourceEvolutionary-developmental account of the tetrapod limb plan inherited along lineages and overridden (e.g., limb reduction in snakes and cetaceans).
Supported in partVerified against the publisher's abstract
Abstract links appendage modification to regulatory changes in patterning genes and a shared ancestral regulatory system, but names no tetrapod, cetacean or snake example.
“Modifications of appendage number and architecture in each phylum are correlated with regulatory changes in specific patterning genes. Although their respective evolutionary histories are unique, vertebrate, insect and other animal appendages are organized by a similar genetic regulatory system that may have been established in a common ancestor.”
- In phylogeny the parent and derivative are an ancestral and a descendant clade; the lineage relation is descent; default carrying-over transmits the ancestral body plan — the four-limbed tetrapod plan is inherited by all tetrapods without re-evolving; and selective override specialises it, as when cetaceans override the hindlimbs to near-absence and snakes override the limb plan entirely while remaining recognisably tetrapod in skeleton and physiology.
Verification¶
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Registry ID ref:51313d989e84 · see in the full table