In P system, the gene frequency P 1 was 0 5099(Lahu),0 4690(Blang) and 0 4359(Jino),respectively. All these figures are higher than those of any other ethnic groups investigated all over the country.

• P血型系统中 ；本次调查的 3个民族的 p1基因频率在全国已调查过的汉族和少数民族中均是最高值 (拉祜族0 .；50 99；布朗族 0