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How much does a banana DNA extraction lab cost?

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HomeTrainingTools.com sells a DNA extraction kit for approximately $37, as of 2015. The kit contains pepsin, ethanol, filters and plastic tubes, and it works for plant DNA, including fruit and vegetables. Carolina Biological sells a similar kit on its website, Carolina.com. The kit retails for roughly $93.

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Full Answer

It is also possible to create a DNA extraction lab kit at home with household items. Water and dish soap dissolve the cellular and nuclear membranes. A coffee filter reserves the pulp, leaving only the fluid. Salt breaks apart proteins within the banana. The final addition of ethanol causes the DNA to congeal into soft, white globs.

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