( ( A ( haploid ( gametophyte body ) ) ) ( ( ( produces ( haploid ( ( -LRB- ( n -RRB- ) ) gametes ) ) ) ( by mitosis ) ) . ) )
(ROOT (S (NP (DT A) (JJ haploid) (NN gametophyte) (NN body)) (VP (VBZ produces) (NP (JJ haploid) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NNS gametes)) (PP (IN by) (NP (NNS mitosis)))) (. .)))
A haploid gametophyte body produces haploid (n) gametes by mitosis.
(ROOT (S (NP (DT The) (JJ haploid) (NN gametophyte)) (VP (VBZ produces) (NP (NNS gametes)) (PP (IN through) (NP (NNS mitosis)))) (. .)))