👤biogeny 🕔28-Oct-2017

To extract DNA, tissue samples are taken from plants, and crushed to break open the cells. Next, a buffered salt water solution is added into which DNA dissolves easily. The DNA is purified by adding an organic solution into which...

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Crop alteration and biotechnology1

👤biogeny 🕔27-Oct-2017

Crop alteration has been practiced by humankind for thousands of years, since the beginning of civilization. Altering crops through breeding practices changes the genetic make-up of a plant to develop crops with more beneficial characteristics for humans, for example, larger...

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