Hitchhiking effects also play a role in experiments with marker genes.

附加效应在以标记基因作试验中也是起作用的。

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The results of PCR molecular detection, marker genes and foreign target-gene with insect-resistance were quite regular.

PCR分子检测与转化的标记基因和外源目的基因抗性三者极有规律性。

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The genes coding enzymes that catalyze special sugars have showed big practical potency in plant transformation as safe marker genes.

糖类分解代谢酶基因作为安全标记基因，近年来在植物转化中显示了巨大应用潜力。

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These marker genes often confer resistance to antibiotics to the plants.

ECONOMIST: Development and the environment

Dr Lagae and Dr Freitas have used similar techniques to find marker molecules for breast cancer and genes linked to cystic fibrosis.

ECONOMIST: Labs on a chip

Through the use of previously published simple sequence repeat (SSR) marker maps, linkages between the mapped molecular markers and genes for three different morphological traits was identified.

FORBES: The Four-Leaf Clover Gene?