X chromosome

X chromosome

美 　英

• n.X 染色体
• 网络X染色体；性染色体

英汉双解

英汉解释

na.

1. X 染色体

英英解释

n.	1. a chromosome present in both sexes that plays a role in determining the sex of an individual. Female mammals carry two X chromosomes and males carry one.

例句

This syndrome is the result of an unbalanced translocation resulting in a deletion of the distal end of the short arm of the X chromosome.

这种综合征是一种不平衡的一对X染色体的短臂缺失导致远端移位的结果。

But for a son, he can only get the X chromosome from his mother.

但如果是个儿子的话，他就只能从妈妈那里得到一个X染色体。

X chromosome mosaicism is not the only genetic difference between males and females.

染色体嵌合现象并不是男性与女性之间唯一的基因差别。

If so, there could be a familial genetic disorder called fragile X, in which a certain portion of the X chromosome is abnormal.

如果有，那么你很可能有脆弱X基因的家族遗传病。也就是X基因的一部分是异常的。

Because these genes are carried on the X-chromosome, they are subject to a process known as X-chromosome inactivation.

由于这些基因存在于X染色体上，它们发生了X染色体失活的处理。

The X chromosome is shown here in a condensed state, as it would appear in a cell that's going through mitosis.

染色体在这里呈现出浓缩状态，如同他在细胞有丝分裂时呈现的那样。

and crossovers on the X chromosome often did not occur.

另一种是X染色体上的交换通常未发生。

Sometimes there may be abnormalities in the X chromosome in only some cells in the body.

有时可能会有异常的X染色体中，只有一些细胞在人体内。

Recent studies have revealed mechanistic parallels between imprinted X-chromosome inactivation and autosomal imprinting.

最近的研究表明机械相似之处印迹X染色体失活和常印记。

In a few cases, women may have two distinct green cones on either X chromosome.

在少数情况下，妇女也可能有两个X染色体上不同的绿色视锥。

Men who carry the faulty genes can only pass them on through their X chromosome to their daughters.

这些男子自身携带的异常基因，只能通过传给自己女儿的X染色体继续传递下去。

But since then, the Y has steadily lost genes as well as its ability to recombine and swap genes with the X chromosome.

可打那之后，Y一直在丢失基因，也逐渐失去了和X染色体交换重组的能力。

Men may have an extra X chromosome or two on top of their normal XY combination.

男人可能有除了他们的正常的XY组合以外还有额外的1个或2个X染色体。

In males (who have only one X chromosome), one altered copy of the gene in each cell is sufficient to cause the condition.

在男性（谁只能有一个X染色体），一个改变复制的基因在每个细胞就足以造成状况。

Researchers have long been aware of a genetic variant on the X chromosome that was linked to male pattern baldness, Richards said.

理查兹说：“研究人员早已知道X染色体上有一种遗传变异与男性型秃发有关。”

Although this theory is plausible, to date, no genes on the X chromosome have unequivocally been associated with autism, Hu said.

尽管这个理论似乎合理，迄今为止，在X染色体上没有一种基因很明显地与自闭症有关联，教授说。

Female and male cells had indistinguishable profiles for autosomes but differences on the X chromosome.

男性和女性的细胞在常染色体上区别不大，但在X染色体上存在差异。

Heterogametic sex The sex with dissimilar sex chromosomes, one (in mammals the Y chromosome)being shorter than the other(the X chromosome).

具有不相同的性染色体，一条（哺乳类中为Y染色体）比另一条（X染色体）短一些。

The disease is autosomal-recessive and linked to the X-chromosome, so that men whose mothers are carriers of the gene manifest the disease.

该病属常染色体隐性遗传，与X-染色体关联，所以，母亲是基因携带者的男性表现为发病。

The chromosome carrying the male determining genes is designated Y and the corresponding female one the X chromosome.

携带决定男性的基因的染色体称为Y染色体，携带决定女性的基因的染色体称为X染色体。

The disease is autosomal-recessive and linked to the X-chromosome, so that men whose mothers are carriers of the gene manifest the disease.

该病属常染色体隐性遗传，与X-染色体关联，所以，母亲是基因携带者的男性表现为发病。

A genetic variant on the X chromosome may explain why some HIV-infected women are slower to develop full-blown AIDS than men.

染色体上的遗传变异可能解释了为什么一些感染艾滋病病毒的妇女比男子发展成为全面爆发的艾滋病更缓慢。

The chromosome carrying the male determining genes is designated Y and the corresponding female one the X chromosome.

携带决定男性的基因的染色体称为Y染色体，携带决定女性的基因的染色体称为X染色体。

Remember, males will show symptoms of the disease if their only X chromosome is defective.

要记住的是，如果男性唯一的X染色体抵御疾病，就会表现出疾病的症状。

Inheritance is linked to the X chromosome and recessive, so the disease primarily affects boys.

遗传形式是X连锁隐形遗传，所以该病主要影响男孩。

The 23rd chromosome in all oocytes is always an X chromosome.

所有卵子的第23个染色体总是X染色体。

The defective gene that causes Duchenne's and Becker's muscular dystrophies is located on the X-chromosome.

有缺陷的基因导致杜兴的和贝克尔的肌营养不良症是位于X染色体。

And bizarrely, the X chromosome moves closer to the center after epileptic seizures.

而怪异的是在癫痫发作后，X染色体会往细胞核中心移动。

Females carry two copies of the X chromosome while males carry one X and one Y chromosome.

雌性携带两条X染色体，而雄性携带一条X和一条Y染色体。

The disease can skip a generation until another son inherits the defective gene on the X-chromosome.

这种疾病可以跳过一代，直到另一个儿子继承了有缺陷的基因在X染色体上。

I'm sensitive, creative and artistic, and perhaps that comes from my extra X chromosome.

我有同情心、有创造力、有艺术气质，或许这正是那条多出的X染色体赋予我的。

Boys are born with one Y and one X chromosome in all their body's cells, while girls have two X's.

与生俱来的，男孩子们的体细胞中有一个Y染色体和一个X染色体；而女孩子有两个X染色体。

ARX gene mutations are related with many X-chromosome linked disorders.

ARX基因的突变和多种X—连锁的疾病有关。

In mammals, every cell in females has two X-chromosomes, while every cell in males has a single X-chromosome.

在哺乳动物中，每一个雌性细胞有两条X染色体，而每一个雄性细胞有一条X染色体。

There is random inactivation of one X chromosome in all cells of the female embryo at the blastocyst stage.

在胚泡期，女性的胚胎所有的细胞中，任意一条x染色体将失活。

Most interesting was what the scientists discovered about the X chromosome in humans and chimpanzees.

最有趣的要数科学家们在人类和黑猩猩X染色体上的发现。

A human sperm cell contains either an X or Y chromosome, while an egg only has a X chromosome.

人体精子细胞包含X或Y染色体，而卵子只包含X染色体。

While a male cell has an X chromosome from the mother and Y chromosome from the father.

而男子的细胞有一个X染色体来自母亲，一个Y染色体来自父亲，而Y染色体仅决定性别。

In one study, researchers linked DNA markers in the Xq28 region of the X chromosome to gay males.

在一个研究中，专家们把男同性恋者的X染色体中Xq28区域的DNA标记联系在了一起。

Challenge: A mutation on the X chromosome is the most common known cause of autism.

挑战：X染色体上的突变是最常见的自闭症病因。