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It is generally believed that recombination by sexual reproduction is unfavourable in constant environments but is of adaptive value under changing environmental conditions. To test this theory, experimental populations of yeast (Saccharomyces cerevisiae) were set up and maintained at different levels of environmental heterogeneity. Recombination was(More)
Aspects of the stability of the host-pathogen interaction of baculoviruses Risk assessment of genetically modified plants introduced into the environment A. Dietz 209 Treatment of human disorders with gene therapy and its consequences for the human gene pool Hj. Müller 229 The release of microorganisms-ethical criteria D. Mieth 245 Summary Current theories(More)
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