伦敦大学的研究人员观察了胚胎中的一群细胞，他们可以转分化为不同类型的心脏细胞。
The researchers at University College London looked at a group of cells which are able to transform into different types of heart tissue in an embryo.
具体来说，鲜为人知的是基底细胞的增殖和分化的假气道上皮细胞，多能干细胞群。
Specifically, little is known about the proliferation and differentiation of basal cells, a multipotent stem cell population of the pseudostratified airway epithelium.
结论同种植物不同居群间亲缘关系的远近与地理来源有关；能够通过聚类分析区分姜黄和川郁金；姜黄属郁金类植物的栽培型和野生型产生了分化。
Clustering approach could make a distinction between Curcuma longa and C. sichuanensis. The differentiation has happened between the wild and cultivated species of Curcuma L.
基原类群分布区的快速扩张可能是川乌药材道地性形成的主要遗传分化模式。
Range expansion of the original plants was likely the main genetic differentiation model for the formation of genuine character of Chuanwu.
伸向子叶的子叶迹，直接由原生木质部极外面的一群薄壁组织细胞分化形成。
The extending cotyledon traces differentiate directly from the parenchymatous cells which locate on the outside of the poles of primary xylem.
异型雄蕊在野牡丹科、茄科、干屈菜科、豆科、雨久花科等多个科中都有分布，但其分化与程度常随类群而异。
Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lythraceae, Leguminosae and Pontederiaceae, but the aspects and extent of differentiation often vary in taxa.
POPGENE分析得出的地涌金莲的基因流为0.4916，表明各居群间存在较少的基因交流，较低的基因流是地涌金莲居群间遗传分化的重要原因。
POPGENE analysis indicated that there is very little gene flow among different populations (0.4916), which is the main reason of high genetic differentiation among M. lasiocarpa populations.
并且4个居群的基因流值都大于2，说明基因交流防止了由遗传漂变引起的居群间的遗传分化。
And gene flows of 4 populations were over 2, which suggested that there existed sufficient genetic exchanges to prevent the genetic differentiation made by genetic drift among population.
UPGMA聚类分析表明自然居群与栽培居群存在明显的分化而分别聚为两大类群。
UPGMA cluster analysis showed that natural populations and cultivated populations were distinctly separated into two groups.
居群间遗传分化的产生主要与居群间的基因交流受到限制有关。
Genetic differentiation among different populations is related to the limited gene communication.
生境的片段化和基因流障碍可能是导致居群间遗传分化显著的主要原因。
The main factors responsible for the high degree of genetic differentiation among populations may result from habitat fragmentation and barriers of gene flow.
生境的片段化和基因流障碍可能是导致居群间遗传分化显著的主要原因。
The main factors responsible for the high degree of genetic differentiation among populations may result from habitat fragmentation and barriers of gene flow.
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