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以常见的洋葱为实验材料,洗洁精为研磨液进行了DNA的粗提取与鉴定实验,并对实验方法和步骤进行改进。结果表明用洋葱为实验材料和洗洁精为研磨液粗提DNA实验现象十分明显,方法步骤简便易于操作,适合普通中学,可以推广。
The common onions were used as experimental materials, and the detergent was used as the grinding liquid for crude DNA extraction and identification experiments. The experimental methods and steps were also improved. The results showed that using onion as the experimental material and detergent for the grinding liquid crude DNA experiment phenomenon is obvious, the method steps are simple and easy to operate, suitable for ordinary secondary schools, can be promoted.