( DNA ( ( is ( duplicated ( ( ( ( ( during interkinesis ) , ) but ) not ) ( during interphase ) ) ) ) . ) )
(ROOT (S (NP (NNP DNA)) (VP (VBZ is) (VP (VBN duplicated) (PP (PP (IN during) (NP (NNS interkinesis))) (, ,) (CC but) (RB not) (PP (IN during) (NP (NN interphase)))))) (. .)))
DNA is duplicated during interkinesis, but not during interphase.
(ROOT (S (NP (DT The) (NNS chromosomes)) (VP (VB duplicate) (PP (IN in) (NP (DT the) (JJ interphase) (NN phase)))) (. .)))