Child inheriting the disorder from one parent who has a dysfunctional neurofibromin gene (50% of cases) - The disorder is the result of a spontaneous mutation in the DNA of the gamete, the sperm or egg, from which a child was conceived (50% of cases). This statement refers to:
A) Hemophilia
B) Huntington's disease
C) Neurofibromatosis
D) Down syndrome