( It ( ( ( incorporates ( ( ( a method ) ( of ( biogenetic engineering ) ) ) ( that ( ( turns off ) ( ( the ( reproductive processes ) ) ( of plants ) ) ) ) ) ) ( so ( that ( ( ( the seed ) ( that ( ( these plants ) produce ) ) ) ( is sterile ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ incorporates) (NP (NP (DT a) (NN method)) (PP (IN of) (NP (JJ biogenetic) (NN engineering))) (SBAR (WHNP (WDT that)) (S (VP (VBZ turns) (PRT (RP off)) (NP (NP (DT the) (JJ reproductive) (NNS processes)) (PP (IN of) (NP (NNS plants)))))))) (SBAR (RB so) (IN that) (S (NP (NP (DT the) (NN seed)) (SBAR (IN that) (S (NP (DT these) (NNS plants)) (VP (VBP produce))))) (VP (VBZ is) (ADJP (JJ sterile)))))) (. .)))
It incorporates a method of biogenetic engineering that turns off the reproductive processes of plants so that the seed that these plants produce is sterile.
(ROOT (S (NP (NP (DT A) (NN method)) (PP (IN of) (NP (NP (JJ sexual) (NN reproduction)) (SBAR (WHNP (WDT that)) (S (VP (VBZ occurs) (PP (IN in) (NP (NNS plants))))))))) (VP (MD can) (VP (VB be) (VP (VBN described) (SBAR (IN as) (S (NP (NNS seeds)) (VP (VBP are) (VP (VBN produced) (PP (IN from) (NP (NP (DT the) (NN flower)) (PP (IN of) (NP (DT the) (NN plant)))))))))))) (. .)))