摘要
利用微卫星标记技术,对长江刀鲚野生群体(YS)与3个连续选育世代群体(F_1、F_2、F_3)间的遗传多样性进行了分析。12对多态性微卫星引物总共检测到等位基因82个,平均每对引物获得等位基因6. 83个。4个群体的平均有效等位基因数(Ne)、平均观测杂合度(Ho)、平均期望杂合度(He)以及平均多态信息含量(PIC)分别为3. 47~4. 10、0. 400 0~0. 516 7、0. 684 4~0. 738 1和0. 646 4~0. 701 2。F_1、F_2、F_3之间的遗传分化微弱(FST<0. 05),并与YS具有中等程度的遗传分化(0. 05
引文
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