Article
Homeobox genes, fossils, and the origin of species.
The Anatomical record - 15 Feb 1999
Schwartz J H
Abstract excerpt
Ever since Darwin there has been a history of debate on the tempo and mode of evolution. Is speciation a gradual process involving the accumulation of minute variations extant within a species, or is it rapid, the result of major organismal reorganization? Does one define a species on the basis of genes, morphology, or geographic or reproductive isolation? In this communication I present a model of evolutionary...
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