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