( ( Genetics ( ( ( ( ( The study ) ( of heredity ) ) , ) or ) ( ( the passing ) ( on ( of ( traits ( from ( ( an organism ) ( to ( its offspring ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Genetics)) (NP (NP (NP (DT The) (NN study)) (PP (IN of) (NP (NN heredity)))) (, ,) (CC or) (NP (NP (DT the) (NN passing)) (PP (IN on) (IN of) (NP (NP (NNS traits)) (PP (IN from) (NP (NP (DT an) (NN organism)) (PP (TO to) (NP (PRP$ its) (NN offspring))))))))) (. .)))
Genetics The study of heredity, or the passing on of traits from an organism to its offspring.
(ROOT (S (NP (NNP Heredity)) (VP (VBZ is) (NP (NP (DT the) (NN science)) (PP (IN of) (SBAR (WHADVP (WRB how)) (S (NP (NNS traits)) (VP (VBP are) (VP (VBN passed) (PP (IN from) (NP (NNS parents))) (PP (TO to) (NP (NN offspring)))))))))) (. .)))