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数量性状的多基因遗传
教量性状的多基因遗传 20 15 15 0123′4
数量性状的多基因遗传
多基因病的遗传 易患性( liability) 了易感性( susceptibility) 矿发病阈值( thresho|d)
多基因病的遗传 易患性（liability） 易感性（susceptibility） 发病阈值 （threshold）