文章对滨州学院在校学生的拇指类型、食环指类型、通贯纹、卷舌、耳垂五对性状进行了抽样调查，研究分析其遗传方式。
This article is the investigation to the students of Binzhou university in thumb , ring finger food type , Wen-penetration , rolling and the earlobe .
卷舌五