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 染色体，那你就会是女性。

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 染色体上。

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

那么，男性有一个X染色体和一个Y染色体，女性有两个X染色体。

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

在某些情况下，它与染色体异常有关，如Turner综合征，其X染色体缺失。

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

女性只有一条X染色体表达，而另一条失活，这就是X染色体失活（莱昂化）。

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

特纳综合征是一种染色体疾病，患者体内细胞中有一条X染色体完全或部分缺失。

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

最可能的原发性闭经原因是Turner综合征：有一个X染色体完全或者部分缺失。

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体，并且是在单体情况仅影响X染色体时。

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

这是因为X染色体基因决定G6PD。

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

这表示母猫除了白色之外还可以拥有两种颜色，因为它们有两条 X 染色体。