Article
Evolution in reverse gear: the molecular basis of loss and reversal.
Cold Spring Harbor symposia on quantitative biology - 1 Jan 2009
Cronk Q C B
Abstract excerpt
Three types of regressive evolution are reviewed: loss, reversal, and regain after loss. Loss refers to the loss of a physical entity, either a structure or an organ, whereas reversals apply to character states returning to plesiomorphic from apomorphic conditions. The regain of characters after their loss represents a third type of evolutionary character change. The reconstruction of multiple losses and gains of...
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