試題詳解

34. According to the passage, which of the following statements is true?
(A) DNA methylation and histone modifications necessarily produce opposite gene remodeling results.
(B) Fear conditioning does not have epigenetic implications on the offspring of mice.
(C) Epigenetic changes are essentially one-way genetic alternations that cannot be undone.
(D) Some medications are designed to curb DNA methylation to fight off illness.