In place of combinations of rare-earth compounds, its unique chemical markers are short stretches of DNA, each with different sequence of genetic code.

用特异化学标记的短链DNA取代了混有稀土的复合物，每一个链有不同顺序的基因编码。

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The molecular markers of DNA_based polymorphism reveal the genetic variation at DNA level in laboratory, which have provided a powerful tool to genetic study.

以DNA核苷酸多态性为基础的分子标记技术，在DNA分子水平，实验室条件下，揭示性状的遗传差异，为遗传研究提供了有力手段。

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Genetic structure of Yangtse River Delta White Goat Population was discussed by using structural loci and microsatellite DNA markers.

应用结构基因座和微卫星DNA两种遗传标记探讨长江三角洲白山羊群体遗传结构。

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As a first step, the scientists examined half a million genetic markers in the participants' DNA. These markers, known as single nucleotide polymorphisms, or SNPs, can together reveal how genetically similar people are, even though they are not conventionally related.

WSJ: Intelligence Changes Linked to Genes