試題詳解

44. DNA double-strand breaks can lead to genome instability. Which DNA repair mechanism is error-free system to repair this kind of lesion in the growth phase of the G2 phase cell cycle?
(A) Homologous recombination
(B) Non-homologous end-joining
(C) Microhomology-mediated end joining
(D) Base mismatch repair
(E) Excision repair