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  4. During isolation of genetic material, the chemical used to precipitate out the purified DNA is

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Q. During isolation of genetic material, the chemical used to precipitate out the purified $DNA$ is

Biotechnology : Principles and Processes

Solution:

The purified $DNA$, after treatment with various enzymes, precipitates out after addition of chilled ethanol. This is viewed as a collection of fine threads in the suspension, and is easily collected. The process is known as $DNA$ spooling.