What is the level of dopamine in Parkinson's Disease and in Schizophrenia

The character that is express in the F1 is called the
a) recessive character
b) dominant character
c) co dominant character
d) none of these

What is the level of dopamine in Parkinson’s Disease and in Schizophrenia, respectively?
A. Increased, Decreased
B. Decreased, Increased
C. Increased, Increased
D. Decreased,Decreased
E. None of the above