( ( 4 -RRB- ) ( ( Chromosomes ( duplicated ( during ( interphase ( -LRB- ( ( time ( between mitoses ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (LST (LS 4) (-RRB- -RRB-)) (VP (VB Chromosomes) (VP (VBN duplicated) (PP (IN during) (NP (NP (NN interphase)) (PRN (-LRB- -LRB-) (NP (NP (NN time)) (PP (IN between) (NP (NNS mitoses)))) (-RRB- -RRB-)))))) (. .)))
4) Chromosomes duplicated during interphase (time between mitoses).
(ROOT (S (NP (DT The) (NNS chromosomes)) (VP (VB duplicate) (PP (IN in) (NP (DT the) (JJ interphase) (NN phase)))) (. .)))