They suggest that genes on the X chromosome play a role in autism.

他们说x染色体的基因在自闭症中起着作用。

The sire carries only one X chromosome while the dam carries two.

父亲只携带一个X染色体，而母亲则携带两个X染色体。

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 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。

Women with the syndrome are missing one or part of their second X chromosome.

患有特纳综合症的女性往往缺失一种或部分第二X染色体。