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单系类群 meaning in Chinese

monophyletic group

Examples

  1. ( 4 ) the molecular phylogenetic trees suggest that bagrid catfishes form a monophyletic group , and the genus mystus is the earliest divergent in east asian bagrid catfishes , as well as the genus pseudobagrus is a monophyletic group but the genus pelteobagrus and leiocassis are complicated
    ?科构成一单系类群,其中蠖属为较为特化的属,拟?属为一明显的类群,而黄颡鱼属和?属关系较为混乱。
  2. The results show that ( 1 ) loops are in general more variable than stems , and in loops a strong adenine bias are observed : ( 2 ) there does not exist a saturation effect in stems , loops or all positions of the 16s rrna gene fragments : ( 3 ) in the molecular cladogram , bagarius forms a sister group with glyptothorax , and euchiloganis forms a sister group with pareuchiloglanis , and exostoma forms a sister group with glyptosternum : ( 4 ) the phlogenetic positions of pseudecheneis , exostoma and glyptosternum are not recognized ; the glyptosternoid fishes are not monophyly although they are defined by 13 osteological apomorphies ; the incongruence of cladograms between molecular and morphological sets may be caused by less informative sites of the 550 homologous sites ; ( 5 ) e . davidi and e . kishinouyei could be the same species according to the genetic distances ; p . sinensis and p . anteanalis could be too
    结果表明: ( 1 )环区平均变异位点较茎区多,有很强的a偏好性; ( 2 )没有替代饱和现象; ( 3 )分子系统树上?属和纹胸?属构成姐妹群,石爬?属和?属构成姐妹群, ?属和原?属构成姐妹群; ( 4 ) ?属、原?属和褶?属的系统发育位置不定, ? ?鱼类并未形成一个单系类群;可能的原因是所得到的16srrna基因片段信息位点太少; ( 5 )青石爬?和黄石爬?可能是同一物种,中华?和前臀?可能是同一物种。

Related Words

  1. 单系杆
  2. 单系菌丝的
  3. 单系链系船
  4. 单系链系船设施
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