( ( ( The activities ) ( of genes ) ) ( ( control ( ( the behavior ) ( of cells ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS activities)) (PP (IN of) (NP (NNS genes)))) (VP (VBP control) (NP (NP (DT the) (NN behavior)) (PP (IN of) (NP (NNS cells))))) (. .)))
The activities of genes control the behavior of cells.
(ROOT (S (NP (NNP Animal) (NNS behaviors)) (VP (VBP are) (VP (VBN controlled) (PP (IN by) (NP (NP (DT both) (NNS genes) (CC and) (NNS experiences)) (PP (IN in) (NP (DT a) (VBN given) (NN envionment))))))) (. .)))