Lindell Bromham of the University of Sussex and her colleagues compared evolutionary trees based on morphological change against equivalent trees based on DNA change.
新研究重建流感病毒进化树,挑战传统理论,解决了一些周边的历史意义流感爆发的奥秘。
A new study reconstructing the evolutionary tree of flu viruses challenges conventional wisdom and solves some of the mysteries surrounding flu outbreaks of historical significance.
接下来,利用统计方法开发生物进化树,研究小组基于两种方法建立了疾病分类。
Next, using statistical methods developed to create evolutionary trees of organisms, the team created a disease classification based on two measures.
根据你看到的进化树的哪个分支,不同的表观遗传机制已经得到维持或没有得到维持。
Depending on what branch of the evolutionary tree you look at, different epigenetic mechanisms have been maintained or not maintained.”.
由于亲戚很少,他们的灭绝意味着地球进化树的整个这条分支都被砍掉了。
Since they had few close relatives,their extinctions meant that entire branches of Earth's evolutionary tree were chopped off.”.
来自不同患者的肿瘤,即使是同一种癌症,其进化树也往往大相径庭。
Tumors from different patients, even with the same kind of cancer,tend to have wildly different evolutionary trees.
各种物种的进化树从最大似然分析的DNA(见吉本的故事)。
Evolutionary tree of various species from maximum likelihood analysis of DNA(see Gibbon's Tale).
A little stickleback fish(Gasterosteus aculeatus)nicknamed"Mary" appears to have leapt across a major reproductive divide on the evolutionary tree of life.
不过他们声称,这种眼刺的发现有望颠覆鲉形目的进化树,改变我们对这些毒性极高的鱼的了解。
But they do claim that ithas the potential to profoundly rearrange the Scorpaeniformes evolutionary tree, changing what we know about these highly venomous fish.
因为现在海绵是生命进化树中最基本的动物,这一最新发现暗示了地球上的动物是如何浮现的。
Since sponges are now the most basal animals on the evolutionary tree of life, this latest find hints at how animals first arose on Earth.
我对进化树一无所知,但我被未知的东西迷惑了。
I didn't know anything about evolutionary trees, but I was mystified by the unknown.
在我上高中时候由进化树描述的进化论只讨论有机生物之间的宏观进化论。
The theory of evolution as depicted through the evolutionary tree in my high school classroom only dealt with the macro-evolutionary chain between organic creatures.
杜克大学的科学家随后转向了这一进化树的另一分支:使得这一系统能够被光线激活。
The Duke scientists then turned to another branch of the evolutionary tree to make the system light-activated.
他们随后被映射的关系到进化树,并用证据化石记录来确定每个SMT基因复制发生时。
They then mapped the relationships onto an evolutionary tree and used evidence from the fossil record to determine when each SMT gene duplication occurred.
Other parts of the Pliobates skeleton look primitive, though,which complicates the challenge of deciding where to slot it into the evolutionary tree.
本课程被设计成适合于动物健康实验室工作人员自学的模块,分成四个章节:进化树的基本概念;.
It has been designed as a self-learning module for animal health laboratory staff and is organized in four chapters:basic notions on phylogenetic trees;
在“自然”杂志上发表的一种新的恐龙进化树提出了两个新的基因组,其中鸟类和爬行动物蜥蜴现在混合。
A new dinosaur evolutionary tree, published in the journal Nature, proposes two new base groups, in which bird- and reptile-hipped lizards are now mixed.
University of Maryland researchers analyzed a DNA-based evolutionary tree for a majority of known bat species and found four bat lineages that exhibit extreme longevity.
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