As is known to all, gene is a segment of DNA, and the ID of your parental love.

基因是DNA长链上的一个片段，是亲情发给你的身份证。

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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.

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。

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Moreover, to fully ascertain that the new cells will contain the same genetic information as the parental cells, any damage to the DNA, which is organised into several chromosomes, must be repaired.

此外，为了充分确定新细胞含有与双亲细胞完全一样的信息，任何对涉及到几个染色体的DNA损伤都必须被修复。

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