( ( In ( ( organisms ( -LRB- ( ( ( plants and ) ( some algae ) ) -RRB- ) ) ) ( that ( have ( alternation ( of generations ) ) ) ) ) ) ( , ( ( the multicellular ) ( ( haploid ( form ( that ( ( produces ( haploid gametes ) ) ( by mitosis ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (NNS organisms)) (PRN (-LRB- -LRB-) (NP (NP (NNS plants)) (CC and) (NP (DT some) (NN algae))) (-RRB- -RRB-)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (VP (VBN alternation) (PP (IN of) (NP (NNS generations))))))))) (, ,) (NP (DT the) (NN multicellular)) (VP (VBD haploid) (NP (NP (NN form)) (SBAR (WHNP (WDT that)) (S (VP (VBZ produces) (NP (JJ haploid) (NNS gametes)) (PP (IN by) (NP (NNS mitosis)))))))) (. .)))
In organisms (plants and some algae) that have alternation of generations, the multicellular haploid form that produces haploid gametes by mitosis.
(ROOT (S (NP (DT The) (JJ haploid) (NN gametophyte)) (VP (VBZ produces) (NP (NNS gametes)) (PP (IN through) (NP (NNS mitosis)))) (. .)))