Because if you got your father's " X" chromosome you would be a female.

因为如果是从父亲那得到 X ，那你就会是女。

Studies show that the most influential hair-loss gene is located on the " X" chromosome only.

研究显示造成秃头的基因位于 X 上。

Now males males have one X and one Y chromosome, and females have two X chromosomes.

那么，男有一个X和一个Y，女有两个X。

In some cases, it's linked to chromosomal abnormalities like Turner syndrome, where an X chromosome is missing.

在某些情况下，它与异常有关，如Turner综合征，X缺失。

In females, though, only one X chromosome gets expressed, and the other is inactivated, called X-inactivation or lyonization.

女只有一条X，而另一条失活，这就是X失活（莱昂化）。

Turner syndrome is a chromosomal disorder where one X chromosome is either completely or partially absent.

特纳综合征是一种疾病，患者内细胞中有一条X完全或部分缺失。

The most common cause of primary amenorrhea is Turner syndrome, where one X chromosome is either completely or partially absent.

最可能的原发闭经原因是Turner综合征：有一个X完全或者部分缺失。

Monosomy is what happens in Turner syndrome and it specifically affects the X chromosome.

造成特纳综合征的原因就是单，并且是在单情况仅影响X时。

That's because the gene that's responsible for making G6PD is on the X chromosome.

这是因为X基因决定G6PD。

This means females can have two colors, in addition to white, because they have two " X" chromosomes.

这示母猫除了白之外还可以拥有两种颜，因为它们有两条 X 。

So if your mother does express these traits it means she will be passing an affected " X" chromosome to you.

因此如果你的母亲秃头，你就一定会得到秃头基因。

The most common karyotype is 45, X, which means the person has 45 chromosomes, of which only one is an X chromosome.

最可能的核型是45，X，意味着这个人有45条，只有一条X。

Klinefelter syndrome develops when a gamete, either sperm or egg, contains at least one extra X chromosome.

异常在配子时期就存在了，精子和卵子都有可能发生，异常的配子会多出至少一条X。

Since this is linked to the X chromosome, both Duchenne and Becker muscular dystrophy are called X-linked recessive.

由于发病与X有关联，DMD和BMD被称为X连锁隐遗传。

The fur color gene is located on the " X" chromosome.

毛基因位于 X 上。

The X chromosome also carries genes that are important for growth and development of tissues throughout the body.

X还携带很多对全身组织生长和发育很重要的基因。

Well if you're a male you get an " X" chromosome from your mother, but must receive a " Y" chromosome from your father.

男会从母亲那得到中一个 X ，但是一定会从父亲那得到 Y 。

Females can avoid the lethal side-effects if one of their two X chromosomes contains a non-mutated gene-but they will still grow up without tusks.

如果雌的两条X中有一条含有未突变的基因，则可以避免致命的副作用——但她们长大后仍然没有象牙。

Either way the separation doesn't happen and the end result is a gamete with an extra X chromosome.

不管是哪种情况，都发生了不分离的现象，最后的结果都是产生了多一条X的配子。

Females, on the other hand must get two copies of this gene, one on each " X" chromosome in order to physically express it.

而女则必须得到分别位于两个 X 上的秃头基因才会秃头。