A model and an algorithm were provided for constructing phylogenetic tree based on the principle of maximum likelihood estimate.
利用最大似然估计原理，给出了构建系统发生树的模型和算法。
As presented by the phylogenetic tree, Asian had a convergence with European first, and grouped together with African. Beninese which came from Africa was on the top of dendrogram.
系统树显示， 亚洲人群先与欧洲人群相聚， 之后再与非洲人群相聚， 非洲人群位于系统发生树的最顶部；
The phylogenetic tree showed that in recent years there existed a branch for influenza a virus of genetic characteristic different from that of epidemic strains in 1990s.
基因种系发生树表明近几年甲型流感病毒与90年代流行株存在基因特性不同的分支。
应用推荐