摘要: The study of fungal genetics has made a number significant contributions to our knowledge genetic processes. early idea the connection between genes and enzymes was based on nutritional mutants Neurospora, rapid progress in bacterial occurred when this approach selective techniques were extended Escherichia coli. One major advantage which some fungi have over bacteria is occurrence meiosis closed sac, ascus ascomycetes. This allows effects single meiotic event be studied detail. There nothing comparable very often are necessary even detect recombination. In addition, fusion nuclei followed by does not occur bacteria. result been that contribution basic ideas mechanisms general easier handle for biochemical analysis, therefore basis recombination better understood than fungi. chapter will examine important experiments include details parasexual cycle occurs variety filamentous