The eye muscles have a ratio of about ____ axon(s) per ____ muscle fiber(s).
a. two; three
b. one; three
c. three; two
d. three; one
Question 2
One important factor to consider when making judgments about the relative influence of genetics on schizophrenia is the ____.
a. role of evolution
b. age of the mother
c. size of school they attend
d. prenatal environment