9. In terms of epigenetics, which of the following statement is false?
(A) to study the factors that affect gene expressions with changing the underlying
DNA nucleotides sequence of the genes
(B) Poor maternal care induces methyiation of a stress-response gene that may cause
a lifelong heightened response to stress.
(C) Animal behavior models are needed to measure behaviors changed by
experimental manipulation in the epigenetic study.
(D) The epidemic study provides the evidence that is important to understand the
relationship between the brain and behavior especially focusing in the early stage of
lifespan.