Anthropologic study on tongue moving types of Han in Sichuan Ziyang

A sample of 497 cases of Han in Sichuan Ziyang(male 220,female 277) was investigated on 5 tongue moving types,including tongue rolling,tongue folding,tongue twisting,pointed tongue and clover-leaf tongue.The results are as follows:(1) The frequencies of tongue rolling was 64.79%(male 65.00%,female 64.62%),tongue folding was 5.43%(male 5.91%,female 5.05%),tongue twisting was 19.92%(male 20.91%,female 19.13%),pointed tongue was 60.61%(male 55.91%,female 63.54%),clover-leaf tongue was 2.21%(male 2.27%,female 2.17%).(2) Comparing with other nationalities,Ziyang Han had low frequencies of tongue rolling,tongue twisting,pointed tongue.The frequencies of tongue folding was in the medium level,the frequencies of clover-leaf tongue was very low.(3) No significant sexual difference was found in the frequencies of tongue moving types.(4) The genes of tongue twisting and pointed tongue had interactive relations with the tongue rolling gene.The gene of tongue twisting had interactive relations with the pointed tongue gene.(5) The results of cluster analysis showed that the tongue moving types of Han in Sichuan Ziyang were similar with those of Mulam and Bouyei.