多倍性

Aneuploidy The condition, resulting from nondisjunction of homologous chromosomes at meiosis, in which one or more chromosomes are missing from or added to the normal somatic chromosome number.

非整倍性：在减数分裂的过程中同源染色体不分离而造成的一条或多条染色体的缺失或增加。

The human Y chromosome is paternally inherited in a haplotype model.

人类Y染色体为正常男性特有、其大部分非重组区呈父系单倍型遗传等特点，使得Y染色体特异的多态性遗传标记成为人类学、群体遗传学及法。。。

The human Y chromosome is paternally inherited in a haplotype model. This feature make the Y-specific polymorphic markers are very useful in different fields of science, including genealogy, population genetics and forensic science.

人类Y染色体为正常男性特有、其大部分非重组区呈父系单倍型遗传等特点，使得Y染色体特异的多态性遗传标记成为人类学、群体遗传学及法医学等领域中非常有用的工具。

At low power, a glioma at the left shows greater cellularity and pleomorphism than adjacent brain at the right, but the margin is not distinct.

低倍镜，与右边临近的脑组织相比，左边神经胶质瘤细胞体积大并有多形性，边界不清。

By using SRAP technology, a polymorphism primer of E2M5 was successfully selected. The primer E2M5 can be used to test hybrid purity of a small fruited diploid watermelon variety Hongxiaoyu.

采用SRAP技术，成功筛选出1对多态性好的引物对E2M5，对二倍体小果型西瓜品种红小玉杂交种纯度开展了分子鉴定研究。

Objective To study the polymorphism of HLA haplotype in Hunan population.

目的了解湖南地区人群HLA单倍型的多态性。

Karyotypic findings showed that all cultivars were mixoploid with chromosome number ranging from 49 to 57, and 54 was the most frequent number observed.

结果表明：（1）17个栽培小菊均为混倍体，染色体数在49～57之间变异，以54条为主；（2）染色体呈现多态性：多数品种由中部、近中部和近端部着丝粒染色体组成；最长与最短染色体的比值为1.62～2.39；臂比＞2的染色体所占的比率为11.11%～29.62%；核型不对称系数为59.74%～63.37%；3个地被菊品种和'奥运橙光'、'金陵白凤'（2n=53）核型类型为&2B&，其它品种为&2A&型。

Plants can undergo sympatric speciation through polyploidy.

植物可以通过多倍体进行同域性物种形成。

The qualitative and quantitative analysis of schizophrenia and single nucleotide polymorphism of catechol-O-methyltransferase , Proline Dehydrogenase and DYSBINDIN genes were done by using transmission disequilibrium test . Results:(1) The symptoms of first-episode schizophrenia were divided into four independent symptom dimensions: psychomotor poverty, reality distortion, disorganisation and depression-anxiety.

4采用传递不平衡检验、单倍型传递不平衡检验和定量性状传递不平衡检验的方法对6号、22号染色体上3个候选基因，即儿茶酚氧位甲基转移酶(catechol-O-methyltransferase，COMT)、脯氨酸脱氢酶(Proline Dehydrogenase，PRODH)和DYSBINDIN基因的9个单核苷酸多态性(single nucleotide polymorphism，SNP)位点与精神分裂症、神经认知功能、人格特质和临床症状表现的关系进行了定性和定量的遗传学分析。

"A wide range of volatile organic substances are produced during the process of burning paper money. We have found that joss paper contain toxicities including benzene, toluene and xylene."

政府规定的室内，有害挥发性有机物含量要在3 ppm以内，原本归零的侦测器，在我们把金纸点燃之后，数值很快地以惊人的速度向上飙升，达到64.4ppm，超出标准二十多倍。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐