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Evolution
Research from University of Concepcion provides new data about evolution
August 20th, 2008
According to a study from Concepcion, Chile, "Sexual selection requires social interactions, particularly between the sexes. When trait expression is influenced by social interactions, such traits are called interacting phenotypes and only recently have the evolutionary consequences of interacting phenotypes been considered." "Here we investigated how variation in relative fitness, or the opportunity for sexual selection, affected the evolutionary trajectories of interacting phenotypes. We used experimentally evolved populations of the naturally promiscuous Drosophila pseudoobscura, in which the numbers of potential interactions between the sexes, and therefore relative...
Source: Fitness & Wellness Business Week (2008-08-20)
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