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X染色体结构异常可分三种类型:1.X染色体的整个短臂或长臂缺失;2.等臂双着丝粒X染色体以及发生了易位的X染色体;3.在X染色体上具有一个近着丝粒断裂。这些结构异常可导致多种表现型,如
X chromosome structural abnormalities can be divided into three types: 1. X chromosome short arm or long arm is missing; 2. Arm dicentric X chromosome and the translocation of the X chromosome; 3. On the X chromosome has a Near centromere rupture. These structural abnormalities can lead to many phenotypes, such as