Investigation on 6 genetical traits in Yi and Bai ethnic groups in Guizhou province / 基础医学与临床

Objective To study distributive frequencies and the corelation among 6 genetical traits in Yi and Bai ethnic groups in Guizhou province. Methods According to the techniques of human population genetics and cluster random sampling,a survey on 6 genetical characters of 879 cases (Yi ethnic group 472 and Bai ethnic group 407) was carried out in October 2008,then dealt with data using SPSS13.0 software. Results The distributive frequencies in 6 dominant traits of Yi ethnic group are 20.6%,34.3%,74.4%,76.3%,25.4% and 60.8% respectively; Those of Bai ethnic group are 17.2%,39.3%,64.9%,86.2%,15.5% and 66.8% respectively. There are very significant differences(P