结果：对照组和苯酮尿症组该突变位点的基因频率分别为70.2％和79.5％，经统计学检验无显著性差异。

Results: the mutation frequency of V245V in the control group and PKU group was 70.2 % and 79.5 % respectively. There was no significant difference between the two groups.

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结果：对照组和苯酮尿症组该突变位点的基因频率分别为70.2％和79.5％，经统计学检验无显著性差异。

Results: the mutation frequency of V245V in the control group and PKU group was 70.2 % and 79.5 % respectively. There was no significant difference between the two groups.

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