同源染色体

对F1和F2花粉母细胞（PMC）的部分同源染色体配对进行了观察。

Homologous chromosome pairing in both F_1 and F_2 PMC 's was observed .

小麦同源染色体4B控制株高遗传差异的研究

Studies on Genetic Differences in Plant Height Controlling of Homologous Chromosome 4B in Wheat

交换现象独立地在每一对同源染色体之间发生。

Cross-overs have occured independently of each other between pair of homologous chromosomes .

同时对ph突变体诱导部分同源染色体联会的作用等问题进行了探讨。

In addition We make a study of the effect of ph mutants in inducing chromosomes translocation , etc.

初步认为，次级联会产生的原因是非同源染色体之间的同祖关系。赖草染色体组J、N可能来自同一原始染色体组X。

The result showed that the secondary assocition originated from homoeology between J and N possibly originated from same genome X.

本文系国内首次报告二倍体型卫氏并殖吸虫染色体的C带多态性及三倍体型卫氏并殖吸虫具有C带多态性的同源染色体的多种组合。

The polymorphism of c-band pattern in diploid and the combination of homologous chromosomes with c-band polymorphism in triploid were reported for the first time ( Figs . 1-4 ) .

联会复合体（SynaptonemalComplex，SC）是真核生物减数分裂前期I同源染色体配对时形成的一种核内临时结构。

Synaptonemal complex ( SC ) is a transient structure which happened in eukaryotic nuclei during the first meiotic division when homologous chromosomes are pairing .

通过染色体单体分析发现，这种部分同源染色体配对促进作用是由位于开县罗汉麦6A染色体上的基因造成的。

By monosomic analysis , the new wheat-rye paring promoter was localized on chromosome 6A .

联会复合体（SynaptonemalComplex，SC）是一种减数分裂特异性超分子蛋白质结构，与减数分裂Ⅰ中同源染色体的凝缩、配对、重组和分离密切相关。

Synaptonemal complex ( SC ) which is a meiosis-specific supramolecular proteinaceous structure plays a crucial role in condensation , pairing , recombination and disjunction of homologous chromosomes at meiosis ⅰ .

本文利用DNA的结构和复制特点、同源染色体、分离和自由规律以及系谱相关知识，对高中《生物》遗传和变异中常见的计算题进行了归纳和分析。

This paper sums up and analyzes calculation of heredity and variation of senior middle school , that based on some knowledge of DNA constitution , DNA copy , homologous chromosome , law of segregation , law of independent assortment , genealogy .

在染色体图像识别算法研究中，使用平均灰度曲线用来表示G带特征，提出染色体指纹图谱的概念，选用夹角余弦算法来计算两条染色体平均灰度曲线的相似度，进行同源染色体的匹配。

In the study of chromosome recognition algorithm , we use average gray distribution profile to denote G-band , bring forward a concept of chromosome fingerprint , select cosine of angle method to calculate the similarity , and match the homologous choromosomes .

小麦抑制部分同源染色体配对（Ph1）基因的研究

Studies on the Pairing Homoeologous ( Ph 1 ) Suppressor Gene in Common Wheat

unicolor小孢子母细胞减数分裂异常进行了研究，发现存在不等二价体、同源染色体早分离、染色体桥、不均等分离、滞后染色体、核外染色体、微核等。

There were unequal bivalents , homologous chromosome deconjugation , chromosome brige , unequal separation , laggard chromosomes , chromosome outside nucleus , micronuclei and so on .

同源染色体在相同的部位具有染色粒。

Homologous chromosomes have chromomeres in identical places along their length .

同源染色体带纹的数目、分布位置基本一致，可较为准确地配对。

The band number and position of homologous chromosomes were basically identical .

每个人会继承含有两套白细胞抗原基因的同源染色体

Everyone inherits two sets of chromosomes containing HLA genes .

每个染色体小组均由三条同源染色体组成。

Each homologous chromosome group has three homologous chromosomes .

等位基因位于同源染色体相对应的位点上。

Alleles of the same gene occupy the equivalent locus on homologous chromosomes .

初级精母细胞减数分裂早期同源染色体配对明显可见，并形成联会复合体。

The homologous chromosomes started pairing and forming synaptonemal complex in the primary spermatocytes .

二价染色体：在减数分裂中配对时的任意一对同源染色体。

Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS .

在减数分裂初期一对同源染色体之间片段（遗传物质）的互换过程。

The interchange of sections between pairing homologous chromosomes during the prophase of meiosis .

它与同源染色体联会、遗传交换、染色体分离密切相关。

The structure is closely related with homologous chromosomes synapsis , recombination and segregation .

在减数分裂过程中同源染色体的分离。

The separation of homologous chromosomes during meiosis .

如果一对同源染色体都缺失了，称为缺体。

If both of a pair of homologous chromosomes are missing , nullisomy results .

一段染色体跟非同源染色体连在一起时就发生易位。

Translocation occurs when a fragment of one chromosome becomes attached to a non-homologous chromosome .

重组过程通过形成交叉对减数分裂期同源染色体的正确分离起到至关重要的作用。

Recombination plays a crucial role in disjunction of the homologous chromosomes through generating chiasma .

同源染色体带纹的数目、大小和分布基本一致。

Bands stripes in homologous chromosomes are similar in their number , size and distribution .

终变期末有些二价体的同源染色体只在末端连在一起。

Diakinesis bivalents end of some of the homologous chromosomes together only at the end .

圆头精子症患者同源染色体13号、16号及21号染色体非整倍体发生率升高

Higher aneuploidy rates of chromosomes 13 , 16 , and 21 in a patient with globozoospermia

交换特征：由减数分裂期内同源染色体之间的遗传物质的交换而产生的特征。

Genetics : a characteristic resulting from the exchange of genetic material between homologous chromosomes during meiosis .