試題詳解

複選題
37. Which of the following is regularly an epigenetic phenomenon?
(A) X-chromosome inactivation.
(B) Establishment of beterochromatin at a centromere.
(C) Imprinting.
(D) A position effect in which a gene is silenced by an inversion where both breakpoints occur within a euchromatic environment.
(E) Long noncoding RNAs-mediated genes repression.