Article
Selection and constraint underlie irreversibility of tooth loss in cypriniform fishes.
Proceedings of the National Academy of Sciences of the United States of America - 27 May 2014
Aigler Sharon R, Jandzik David, Hatta Kohei, Uesugi Kentaro, Stock David W
Abstract excerpt
The apparent irreversibility of the loss of complex traits in evolution (Dollo's Law) has been explained either by constraints on generating the lost traits or the complexity of selection required for their return. Distinguishing between these explanations is challenging, however, and little is known about the specific nature of potential constraints. We investigated the mechanisms underlying the irreversibility...
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