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Vertebrate innovations include neural crest cells and their derivatives, neurogenic placodes, an elaborate segmented brain, endoskeleton, and an increase in the number of genes in the genome. Comparative molecular and developmental data give new insights into the evolutionary origins of these characteristics and the complexity of the vertebrate body.

Type

Journal article

Journal

Proc Natl Acad Sci U S A

Publication Date

25/04/2000

Volume

97

Pages

4449 - 4452

Keywords

Animals, Brain, Chordata, Nonvertebrate, Evolution, Molecular, Fishes, Fossils, Gene Duplication, Multigene Family, Phylogeny, Vertebrates