Kivell and Schmitt think this suggests the independent evolution of knuckle-walking behavior in the two African ape lineages.
凯威尔和施密特认为这表明了在两个非洲类人猿谱系中关节行走行为的独立进化。
From a detailed analysis of the salamanders' family tree, however, it is clear that the other lineages evolved from an ancestor that itself had lost the ability to metamorphose.
然而,通过对蝾螈族谱的详细分析,我们可以清楚地看到,其他谱系分支是从一个本身已经失去了变形的能力的祖先演化而来的。
The simplest explanation is that the toed lineages never lost their toes, but Wagner begs to differ.
最简单的解释是,趾系从未失去过脚趾,但瓦格纳却不同意这种说法。
It led to a period of flourishing evolutionary divergence amongst anthropoids, and one of those lineages resulted in humans.
这就导致了一个时期类人猿的进化分化,其中的一支血统进化成了人类。
The chimpanzee and human lineages shared a common ancestor just six million years ago, a short slice of evolutionary time.
黑猩猩与人类在600万年前曾享有一个共同的祖先,在经历短暂的进化后分道扬镳。
Studies of the DNA of birds and primates reveal that many species belong to ancient lineages.
鸟类和灵长类的DNA研究表明许多物种具有远古时代的血缘。
There were 87 different haplotypes, 17 genetic lineages at 83 % similar linkage distance level.
在83%遗传相似水平下,供试菌株被划分为87个单元型,17个宗谱。
The vast majority of these lineages appear in the tropics and then spread into the extratropics.
这些世系中绝大多数出现在热带地区,接着向热带外区域扩散分布。
MSC has the capability for renewal and differentiation into various lineages of mesenchymal tissues.
间充质干细胞有更新和分化成不同间充质组织系的能力。
Further specializations of histone variants have evolved in some lineages to perform additional tasks.
更加专门化的组蛋白变体在一些谱系中进化到执行额外的功能。
The cardiac fate maps and cell lineages are the main aspects in the research on the cardiac origin and morphogenesis.
心脏的原基分布图和心脏细胞谱系是心脏起源和形态发生研究的主要方面。
We found remarkable differences in protein length, exon structure, and domain count among different phylogenetic lineages.
我们研究发现,不同的世系在蛋白长度、外显子结构和结构域数量上有显著的不同。
Such relations are far more extensive than one's immediate family or children as millions of humans share the same lineages.
这类关系远比直系家庭和孩子要广泛得多,因为数百万人类同享同一血统。
Tracking the paternal lineages of this region has proved to be successful in our previous studies on coronary artery disease.
对该区域的父系血统的追踪在我们以往的冠心病研究中已经证实是成功的。
In addition, revisions 2.1.2 and 2.2.2 are branches, because both are the ultimate revision in the 2.1 and 2.2 lineages, respectively.
另外,修订2.1.2和2.2.2也是分支,因为它们分别是2.1和2.2衍生链中的最后一个修订。
But the problem with all these studies is that they tracked specific genetic lineages, and not the entire genome and, hence, populations.
但这些研究都有缺陷,只研究了特定的遗传谱系,而不是整个基因组,所以不能代表整个种群。
Curiously, even though the end-Ordovician led to a huge loss of life, in a way it actually had very little impact on the persistence of lineages.
奇怪的是,虽然这次大灭绝导致大量物种消失,但是在某种程度上,它其实对物种世系的维持影响甚微。
Mesenchymal Stem cells (MSCs) have the potential to differentiate into lineages of tissue cells, such as osteoblast, fibroblast, nerve cell et al.
间充质干细胞可以分化为成骨细胞、成纤维细胞、神经细胞等多种组织细胞。
Of course apes and humans derive from a common ancestor. But their lineages have been evolving in separate, and quite different, directions ever since.
当然,猩猩和人是由同一个祖先进化而来的,但此后它们各自的谱系却独自向着分离且完全不同的方向进化。
As to the rice-growing seasons, there is not any common lineage for the two seasons, and both dominant lineages were filled in the late season group.
从生长季节来看,来源于早、晚季的菌株完全分属于宗谱图的上、下两个半区,彼此之间不存在共同的宗谱;而且两个优势宗谱都集中于晚季供试亚群体。
The discovery of the cryptic lineages in P. solenopsis complex is helpful for its accurate identification and the future research in its invasion ecology.
扶桑绵粉蚧隐存谱系的发现对于该物种的分子鉴定及其入侵生态学研究具有重要意义。
In addition, for its multi potential to differentiate into lineages of mesenchymal tissues, MSC could be used as gene vehicle for gene therapy of trauma care.
此外,由于具有多能性,间充质干细胞还是很好的基因载体,在创伤修复的基因治疗中有广阔的应用前景。
Using blood to nourish and grow the stem cells, Zhu managed to induce them to differentiate into three lineages: first bone and cartilage, then muscle, and then neuron.
利用血液去培育干细胞获得成功以后,朱敏设法诱导它们分化成三种细胞系:先是骨骼和软骨细胞,然后是肌细胞,再是神经元。
To have been “conserved” throughout the 75 million years since the mouse and human lineages diverged, those regions were likely to be crucial to the organisms' survival.
从小鼠和人的进化分道扬镳开始直到今天的7500万年里,这些区域都很保守,说明它们对生物的生存至关重要。
This means, among other things, that when biologists have calculated how long ago two lineages diverged by assuming change is regular, they may have their dates wrong.
这意味着先不考虑其他因素,若生物学家仅凭遗传变化具有规律性这一假设推算两个世系分化的时间,那么这种推算出来的时间可能就已经错了。
Generation of in cells from non-neural lineages could have important implications for studies of neural development, neurological disease modelling and regenerative medicine.
从非神经系生成诱导性神经细胞可能对神经系统发育、神经系统疾病模型和再生医学的研究具有重要意义。
The genealogy of the H1N1 virus family would explain why exposure to a swine lineage via the 1976 vaccine or to older human lineages offers cross-protection against the new strain.
H1N1病毒的家族谱系能够解释,为什么注射过1976年疫苗或者接触过较早人类流感病毒会对新病毒起到交叉预防作用。
Bacteria are not always so fortunate as to grow alone in their environment, and they often face competition from other lineages. One widespread solution is to kill these competitors.
细菌并非总是那么幸运在自己的环境中自由生长的,它们要经常面对别的种群竞争,一个普遍的解决办法是杀死这些竞争者。
Bacteria are not always so fortunate as to grow alone in their environment, and they often face competition from other lineages. One widespread solution is to kill these competitors.
细菌并非总是那么幸运在自己的环境中自由生长的,它们要经常面对别的种群竞争,一个普遍的解决办法是杀死这些竞争者。
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