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发表于 2025-3-28 15:36:03
,Mineralbestand der festen Körpergewebe,exual processes. There are natural barriers to limit recombination between different organisms, although some of these can be circumvented. Much interest has recently centred around techniques which avoid natural barriers to recombination. A wide variety of techniques has been used, including produc
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发表于 2025-3-28 19:03:39
https://doi.org/10.1007/978-3-322-88734-4tween genes and enzymes was based on nutritional mutants of ., and rapid progress in bacterial genetics occurred when this approach and selective techniques were extended to .. One major advantage which some fungi have over bacteria is the occurrence of meiosis in a closed sac, the . in the ascomyce
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发表于 2025-3-29 00:26:05
https://doi.org/10.34157/978-3-648-16656-7 successfully with plasmids and virus chromosomes. One exception to this is mitochondrial DNA from yeast, molecular weight 50 million, which can be isolated and analysed in essentially a very similar fashion. Consequently the mitochondrial DNA of yeast is probably the most completely mapped and char