Fitness & Wellness Business Week
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Evolution
New evolution study findings have been reported from University of Western Ontario
August 20th, 2008
"The burst-death model has been developed to describe the life history of organisms with variable generation times and a burst of a fixed number of offspring. The model also includes an optional constant clearance rate, such as washout from a chemostat, and the possibility of sustained periods of population growth followed by severe bottlenecks, as in serial passaging," scientists in London, Canada report. "In this model, a beneficial mutation can either increase the burst rate or the burst size, or reduce the clearance rate, thus increasing survival. In this article we examine the effects of these three possible mechanisms on both the Malthusian fitness and the...
Source: Fitness & Wellness Business Week (2008-08-20)
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