Results show that in Mongolian population,the proportion of wild type is 45.6%,proportion of heterozygotes is 39.2% and that of homozygotes is 15.2%; While in Hans,proportions are wild type 17.9%,heterozygotes 55.7% and homozygotes 26.4%.

• 结果表明 ；蒙族人群基因型构成以野生型为主 ；占45.；6%25；突变杂合型占39