試題詳解

19. Epigenetics is most concerned with:
(A) changes in a person's genotype resulting from environmental influences.
(B) the expression of a particular gene as influenced by external inputs.
(C) environmental influences on gene expression over experiential influences.
(D) the heritability of genotypes that have been altered over multiple generations.
(E) the DNA sequences or the chromatin structures that have been altered by external inputs.