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该文用聚丙烯酰胺凝胶电泳技术研究了皱纹盘鲍长海、旅顺、威海和青岛四个野生群体的遗传结构及其遗传变异.四个群体的皱纹盘鲍杂合度分别为0.182,0.224,0.182,0.184;多态位点比例在p≤0.95判据水平下分别为0.682,0.652,0.661,0.722,在p≤0.99判据水平下分别为0.727,0739,0.667,0.722;位点有效等位基因数分别为1.909,2.130,1.744,1.889;Hardy-Weinberg平衡偏离指数分别为-0.027,-0.007,-0.042,-0.070;近交系数分别为0.306,0.267,0.350,0.375.遗传变异综合评价指数分别为0.077,0.154,0.079,0.078.从遗传相似系数可以看出威海与青岛群体较为接近,而长海和青岛群体在遗传上较远,这与群体的地理距离相吻合.