Y chromosomes

CDS Region Polymorphism Analysis of No.1, X, Y Chromosomes of Human Genome

人类基因组1号、X、Y染色体CDS区多态性统计分析

After sequential routine and c-band staining and accurately identifying Y chromosomes, 18 Y chromosomes were measured, arm ratio of them was 3.19, and therefore Y chromosome of Luxi cattle belonged to subtelocentric chromosome.

经常规&C带连续染色，准确识别出y染色体之后测量了18条y染色体，臂比为3.19，属亚端着丝点染色体。

Objective Based on the sequence differences of Amelogenin homologous gene in the X and Y chromosomes, a pair of specific primers was designed to identify the sex of archaeological samples.

目的利用人类性染色体Amelogenin同源基因在X、Y染色体上序列长度的差异，选择设计引物，对考古样本进行古DNA性别信息研究。

Analysis of the hybridization of probes drived from X and Y chromosomes to different genotype has demonstrated that the sequence differents exist between the sex chromosomes of O.niloticus.

对不同遗传型尼罗罗非鱼的有丝分裂中期相染色体进行荧光原位杂交表明，在尼罗罗非鱼中，X与Y染色体之问存在差异。

Y chromosome has two types of polymorphism : metacentric ( or submetacentric ) and acrocentric chromosomes.

染色体有中部 ( 或亚中部 ) 和近端着丝粒染色体.

Human X and Y chromosomes behave differently from the autosomes.

人的x和y染色体跟常染色体有不同的活动。

Amelogenin ( AML) gene locates on the conservative region of the bovine X and Y chromosomes.

牛牙釉蛋白（AML）基因定位于牛X染色体和Y染色体上的同源区域。

Results: In five abnormal sex-differentiation cases. We found that three of them had red signals, which represented Y chromosomes, while two presented green signals meaning X chromosomes.

结果发现5例性分化异常患者中，3例标记染色体为代表Y染色体的红色信号，另2例标记染色体为代表X染色体的绿色信号。

Pairing between X and Y chromosomes was confined to part of them.

XY染色体配对仅限于部分区域。

In each karyotype, X chromosomes. were 2N and Y chromosomes Were 1N.

在每个核型中X染色体均为2N，Y染色体为N。

There were 2 cases of abnormal sex chromosomes, 2 cases of big Y chromosomes and 7 cases of small Y chromosomes in the non obstructive azoospermic patients. No correlation was found between EGF and fructose in the seminal plasma.

非梗阻性无精子症组性染色体异常2例，大Y2例，小Y7例，精浆表皮生长因子、果糖两者间无相关性。

Human amelogenin gene is a pair of alleles, which located at X and Y chromosomes. Study on the expression changes of amelogenin on the sex chromosomes has been an important method for sex identification.

人类釉原蛋白基因是分别位于X和Y染色体上的一对等位基因，其在两条性染色体上的不同表达成为性别鉴定的重要方法。

The X chromosomes were all submeta-centric and the Y chromosomes were acrocentric in five breeds.

X染色体均为近中着丝粒染色体,Y染色体为近端着丝粒染色体.

The result showed that all autosomes which have short arm were acrocentric, the X and Y chromosomes were submetacentric.

结果是牦牛常染色体均为近端点着丝粒染色体，X、Y染色体为亚中部着丝粒染色体。