( ( In heredity ) ( ( ( the genes ) ( of ( the parents ) ) ) ( ( are ( passed ( on ( to ( ( their offspring ) unchanged ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (NN heredity))) (NP (NP (DT the) (NNS genes)) (PP (IN of) (NP (DT the) (NNS parents)))) (VP (VBP are) (VP (VBN passed) (PP (IN on) (PP (TO to) (NP (NP (PRP$ their) (NN offspring)) (ADJP (JJ unchanged))))))) (. .)))
In heredity the genes of the parents are passed on to their offspring unchanged.
(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)))))))))) (. .)))