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20%的男人，Y染色体正在流失：他们更易患上癌症？
source link: https://tech.sina.com.cn/d/f/2019-12-10/doc-iihnzhfz4803787.shtml
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一部分男性的Y染色体会随着年龄增长而不断丢失，有科学家指出，这可能和一些与癌症相关的基因突变有关。但是，也有研究认为，Y染色体丢失是细胞演化过程的“自然选择”：没有了Y染色体，这些细胞能生存得更好。不断丢失的Y染色体上世纪60年代，许多医生
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