One of the most important tools in biology is the use of “gain of function” experiments. This technique gives researchers the ability to understand how different genetic mutations, such as changes in gene expression, can affect the behavior of a biological system. By introducing changes to a cell or organism, scientists can observe the effects that these mutations have on the system. Gain of function experiments are essential for understanding the cause and effect of genetic changes in a cell. They are invaluable in helping us uncover the molecular basis of many diseases and making advances in biotechnology.

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source: Phys.org