蚜總科 的英文怎麼說
中文拼音 [yázǒngkē]
蚜總科
英文
aphidoidea-
The average transition : transversion ratio was 1. 0 which indicated the genetic differentiation was great. the ration was 2 in nuclear dna gene. as a rule the ts : tv ratio decreased with the increasing genetic distance
1數據分析軟體，構建蚜總科蚜蟲分子系統樹，探討這些類群這間的分類地位和親緣關系，這在國內外尚屬首次。The respective outgroups acyrthosium pisum and lygus heperus knight are the new gene informations for the international biology gene bank. here we got the issrdna sequence data of the aphidiodea, which were firstly aligned by clustal w and then used to construct phylogenetic tree by mega 2. 1. the result of cervaphinae revealed that : ? he sequence included 797bp in length
本研究以越南、北京地區的蚜總科內代表蚜蟲為主要研究對象，在依據外部形態分類鑒定的基礎上，應用dna序列測定技術于蚜總科昆蟲系統學研究，通過pcr擴增獲得蚜蟲18srdna基因序列，應用clustalw程序進行同源對比，採用mega2
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