A gain-of-function mutation is one in which a gene is expressed at the wrong time or in the wrong type of cells. Which of the following mutations could result in a gain of function of one or more genes?

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All of these choices can potentially result in a gain of function mutation. Duplication can result in extra copies of a gene being expressed, translocation can result in a gene being expressed in a new location or under the control of different regulatory elements, and inversion can result in a gene being expressed at the wrong time or in the wrong cells due to disruption of regulatory elements.

A Gain-Of-Function Mutation Is One in Which a Gene Is