查询词典 introgression

However this barrier leaks as a result of rare incidences of misimprinting on song,which can lead to hybridization and introgression under some ecological conditions but not others.

但是在一些特殊的生态条件下，生殖隔离可以被由于错误印痕所形成的鸣叫而冲破，导致种间杂交和基因渗入，当然，这种情况非常罕见。

Some degree of gene flow may be a normal, evolutionarily constructive process, and all constellations of genes and genotypes cannot be preserved however, hybridization with or without introgression may, nevertheless, threaten a rare species' existence.

某种程度的基因流动是正常的、积极的进化过程；不可能所有基因和基因型的排列格局都被保存；但是，有或无基因渗入的杂交会威胁珍稀物种的生存。

Hybridization between species can lead to introgression of genes from one species to another, providing a potential mechanism for preserving and recombining key traits during evolution.

英国John Innes中心和圣·安德鲁斯大学的科学家确定了一种关键的基因，它从生长在意大利的一种名为Senecio squalidus的植物中转入到了生长在英国的"近亲"千里光。

Yunnanensis indicate that there must have been or be extensive introgression between them after the hybridization involving P. tabuliformis and P.

三种松树中共检测到4CL基因序列的两种类型和六个亚类型，高山松群体中没有发现杂种独特的类型或亚类型。

The fusion and introgression between aesthetics and daily life via mass media has led daily life into the category of aesthetics and in turn introduced the conceptual aesthetics into the practical field of daily life.

审美与日常生活的融合互渗，以传媒为载体，一方面使日常生活进入审美的范畴，另一方面也使审美从理念进入到日常生活的实践领域。

There was a positive correlation between the level of genetic diversity and the outcrossing rate of weedy rice populations, indicating that the introgression from cultivated to weedy rice may enhance the genetic diversity of weedy rice populations.

辽宁省六个地区杂草稻的遗传多样性水平从低到高的顺序与杂草稻发现时间从早到晚的顺序非常相似，据此推测杂草稻的遗传多样性水平可能与治理杂草稻的强度和时间有关系。

Napus ; pollen germination ; embryo sac development ; genome introgression ; genetic distance

甘蓝型油菜；花粉萌发；胚囊发育；基因组导入；遗传距离

Some species of sturgeons are polypolids. The hybridization is common even between genera Acipenser and Huso. The parents of different species with the same chromosome numbers will produce reproductive offsprings, and thus, genetic introgression among species would easily happen in the nature conditions.

鲟具有多倍体特徵，其中鲟属及鳇属杂交的情形非常普遍，染色体倍数相同的亲代杂交产生的子代具有繁殖力，因此在自然情况下或人为移殖时很容易造成基因渗入现象。

The results suggested that, the introgression lines showed extensive changes, compared with the recipient R122, in biological traits, such as plant type, plant height, growth duration, tillering ability, spikelet setting density, grain shape, apiculus color, blast resistance, rice quality, restoring ability and storability characters.

对稳定的3个玉米DNA导入系和4个稗草DNA导入系研究表明，与受体R122相比，导入系在株型、株高、生育期、分蘖力、着粒密度、粒形、稃尖颜色、稻瘟病抗性、稻米品质、恢复力和耐储藏性等生物学性状方面发生了广泛的变异。

The progress of research on transferring elite genes from non-AA genome wild rice into Oryza sativa through interspecific hubridization are in three respects, that is, breeding monosomic alien addition lines, constructing introgression lines and analyzing the heredity of the characters and mapping the relative genes.

利用种间有性杂交向栽培稻转移非AA组野生稻有利基因的研究在三个方面取得进展，即单体异附加系的培育、渗入系的建立以及有利性状的遗传及基因定位。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。