细菌的变异景象有两品种型:一种是遗传性变异,是细菌基因组发作改动招致的性状改动,又称基因型变异(genotypic variation),变异的性状能够波动遗传给子代。基因组(genome)即一个物种的单倍体的全部染色体及其所包括的遗传消息的总称。
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Vyse博士及其同事报告称,统计分析确定“没有一个基因型变异与TNFSF4上游区的这种联系有关” 。
Statistical analysis established that "no single genotyped variant is responsible for the association in the upstream region of TNFSF4, " Dr. Vyse and colleagues report.
目的了解北京地区流行性腮腺炎病毒流行株基因型分布和变异情况。
Objective To understand geographic distribution of mumps virus genotypes and variation of circulating mumps virus strains in Beijing.
对52个烤烟基因型主要挥发性香气物质含量的变异进行了研究。
The variation of the contents of main volatile aroma components in 52 flue-cured tobacco genotypes was studied.
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