Ecology
Studies from University of Paris provide new data on ecology
Published in Drug Week, August 24th, 2007
According to recent research from Case, France, "Secondary sexual characters have been hypothesized to reveal the ability of males to resist debilitating parasites. Although such reliable signaling of parasite resistance may be maintained by parasite-host coevolution, maternal effects potentially provide a previously neglected factor that could affect the level of genetic variation in resistance to parasites."
"That could be the case because maternal effects have an entirely environmental basis, or because they can maintain considerable amounts of genetic variation through epistatic effects, even in the presence of strong directional selection. Maternal effects have...
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Source: Drug Week (2007-08-24)
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