核型是47，XXY个体患的是： A: Down syndrome B: Klinefelters syndrome C: Turners syndrome D: Edwards syndrome
核型是47，XXY个体患的是： A: Down syndrome B: Klinefelters syndrome C: Turners syndrome D: Edwards syndrome
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核型是47，XXY个体患的是： A: Down syndrome B: Klinefelters syndrome C: Turners syndrome D: Edwards syndrome