结论D 12s1686位点具有较高的杂合度和多态信息含量，在基因连锁分析和群体遗传学研究中具有重要的应用价值。
Conclusion: D12S1686 is such a valuable genetic marker that it can be used to gene linkage analysis and population genetics research.
从猪蛋白质（酶）多态性和DNA分子水平上估测出亲本种群间的遗传距离，探讨它们与基因杂合度及经济性状杂优率之间的关系。
Parental genetic distances were evaluated by plasma protein(enzyme) polymorphisms and DNA molecular level. Their relationship with gene heterozygosities and heterosis of various traits were analyzed.
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