genetic divergence造句

• Genetic divergence between rice germplasms of blast resistance and the major wa - cms - type restorers
  水稻抗稻瘟病资源与野败型骨干恢复系间的遗传差异
• Sinensis to mainland of china occurred during late tertiary to early quaterary estimated according genetic divergence
  中华绒螯蟹向中国大陆淡水水域的扩散可能发生在第三纪末至第四纪初。
• Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters . results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p . polyactis in the yellow sea and the east china sea , which supported the previous conclusion by morphological and ecological methods . part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea
  50一2 . 44 ) ，群体内和群体间的遗传变异比例分别为69 %和31 % ;群体间的平均遗传相似度和遗传距离分别为0 . 9139和o . q861 ;用非加权配对算数平均法( unweightedpair - groupmethodofari山m七tiome即s ， upgma )聚类分析的结果表明，所分析的5个群体可被分为3个地理群系，从分子水平上支持了过去有关学者把黄海和东海的小黄鱼划分为北中南3个地理群系的观点。
• Two captive populations could n ' t be defined as separate evolutionary significant units ( esus ) because of lacking of genetic divergence between them , and should be considered as a single esu in the conservation of the species . by comparing the sequences of control region of mitochondrial dna from three species of crocodiles , it is revealed that the smallest genetic diversity exists between alligator sinensis and alligator mississipiensis . a portion of mitochondrial nd4 and cytochrome b gene of 3 species of crocodilian was sequenced
  百年来关于扬子鳄的分类地位存在着很多争议，本文利用测得的扬子鳄( alligatorsinensis ) 、暹罗鳄( crocodlylussiamensis )和湾鳄( crocodylusporosus )的mtdnand4和cytb基因序列，以及从genbank中获得密西西比鳄、凯门鳄和海龟( cheloniamydas )的nd4基因和cytb基因相应片段，构建以海龟为外群的系统进化树。
• ( 2 ) the mechanism of pollination off . mollis . ( 3 ) e . mollis is a long - lived species , ( 4 ) a feature of the flora in the southwest of shanxi is its antiquity associated with prolonged geographical stability and no obvious extinction episodes caused by recent glaciations . genetic divergence over all populations was very low ( fst = 0 . 019 )
  翅果油树有较高的遗传多样性，主要原因可能是( ? )由翅果油树种群的分布格局所决定； ( ? )翅果油树是一种长寿命的植物； ( ? )翅果油树所生存的地质环境较为稳定； ( ? )由翅果油树的授粉机制所决定。