The genetic polymorphism of horn form,fleece colour,tail types,population structure in Mongolian sheep were researched by random drift theory anddiffusion equatious methods.

• 用随机遗传漂变理论和扩散方程方法分析了蒙古羊的形成发展过程和不同地域群体的遗传多态现象，包括群体有效大小、世代间隔、世代重叠程度、角型、毛色、尾型的遗传变异及其成因。