The genotype frequency was significantly different (P< 0.01) among breeds.
各基因型在品种间分布差异显著（P＜0.01）。
There were no genotype frequency differences in general between patients with CAP and controls.
在CAP组与对照组之间，MBL基因亚型的分布频率并无显著差异。
Objective: To study the distribution of genotype frequency and gene frequency of ABO blood type in different population and the relation between ABO blood type and disease.
目的：了解abo血型频率和基因频率在不同人群中的分布以及血型与疾病的关系。
Objective: To study the distribution of genotype frequency and gene frequency of ABO blood type in different population and the relation between ABO blood type and disease.
目的：了解abo血型频率和基因频率在不同人群中的分布以及血型与疾病的关系。
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