限制性酶切片段长度多态性（RFLP）作为共显性的遗传标记，已广泛应用于遗传病的产前诊断。

As a codominant genetic marker, restriction fragment length polymorphisms, referred as RFLPs, has been widely Applied to the prenatal diagnosis of some genetic diseases.

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主要结果如下：1。以500个F 2单株为作图群体，利用150个共显性的SSR标记，构建了覆盖玉米全基因组的分子标记连锁图。

The major results are as follows. 1. A genetic linkage map containing 150 SSR markers was constructed based on an F2 population with 500 individuals.

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计算机模拟表明， 此方法可以无偏地估计一个共显性标记与一个互作基因之间的重组率或连锁距离。

Computer simulations have shown that the methods proposed can unbiasedly estimate the recombination frequency or linkage distance between a codominant marker and an interactive gene.

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