Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the genetic changes related to Aarskog-Scott syndrome ?
    ### Response:
    Mutations in the FGD1 gene cause some cases of Aarskog-Scott syndrome. The FGD1 gene provides instructions for making a protein that turns on (activates) another protein called Cdc42, which transmits signals that are important for various aspects of embryonic development.
    