Klinefelter syndrome is still the most common chromosomal disease, balanced translocation accounts for largest proportion of autosomal abnormality.

克氏症仍是最常见的染色体疾病，染色体平衡易位核型占常染色体异常核型比例最大。

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Klinefelter syndrome is still the most common chromosomal disease, balanced translocation accounts for largest proportion of autosomal abnormality.

克氏症仍是最常见的染色体疾病，染色体平衡易位核型占常染色体异常核型比例最大。

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