13例肿瘤中有12例发现杂合子突变。

Heterozygous mutations were identified in 12 of 13 tumors.

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方法：调查9名杂合子突变携带者和9名健康对照者。

Methods: nine heterozygous mutation carriers and nine healthy controls were investigated.

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纯合子突变小鼠在各个胚胎时期都有预期中的出现比例，在大小与型态上并没有明显的缺陷。

Homozygous mutant mice showed expected ratio and no obvious defect in sizes and morphologies at all embryonic stages examined.

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