The Neutral Theory of Molecular Evolution,as Developed by Kimura,posits That

The neutral theory of molecular evolution,as developed by Kimura,posits that ________.

A) functionally neutral mutations that become fixed in populations occur in much larger numbers than those that become fixed by natural selection
B) functionally neutral mutations never become fixed in populations without some element of selection also acting on them
C) functionally neutral mutations are not subject to genetic drift
D) functionally neutral mutations contribute very little to changes at the molecular level