y染色体异染色质减少

来自张怀轩医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：你好，一般认为：Y染色体长臂异染色质区减少属于多态性，携带者的表型和智力都和正常者没什么差别。

张怀轩

主治医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：y染色体异染色质减少这是什么意思？什么原因引起的？能要孩子吗？