Q: What phenotype do gain-of-function mutations usually result in?


Read this paragraph and choose the correct option from the provided answers:

Gain-of-function mutations result in the gene product or protein having a new and abnormal function and usually result in a dominant phenotype. Examples of gain of function mutations occur in the thyroid hormone receptor gene.

 Choices:

- submissive

- internal

- external

- dominant


A:
dominant