( Gene ( ( ( amplification ( ( A process ) ( of ( DNA duplication ) ) ) ) ( ( ( that ( results ( in ( ( a chromosome ) ( having ( ( ( more ( than one ) ) copy ) ( of ( ( ( a gene ) or ) genes ) ) ) ) ) ) ) ) and ) ( which ( can ( result ( in ( inappropriate ( gene activation ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Gene)) (VP (VBP amplification) (NP (NP (DT A) (NN process)) (PP (IN of) (NP (NN DNA) (NN duplication)))) (SBAR (SBAR (WHNP (WDT that)) (S (VP (VBZ results) (PP (IN in) (NP (NP (DT a) (NN chromosome)) (VP (VBG having) (NP (NP (QP (JJR more) (IN than) (CD one)) (NN copy)) (PP (IN of) (NP (NP (DT a) (NN gene)) (CC or) (NP (NNS genes))))))))))) (CC and) (SBAR (WHNP (WDT which)) (S (VP (MD can) (VP (VB result) (PP (IN in) (NP (JJ inappropriate) (NN gene) (NN activation))))))))) (. .)))
Gene amplification A process of DNA duplication that results in a chromosome having more than one copy of a gene or genes and which can result in inappropriate gene activation.
(ROOT (NP (NP (JJ Duplications) (PRN (-LRB- -LRB-) (CC or) (ADJP (JJ amplifications)) (-RRB- -RRB-)) (NN lead)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-)) (PP (TO to) (NP (NP (JJ multiple) (NNS copies)) (PP (IN of) (NP (DT a) (JJ chromosomal) (NN region))))) (. .)))