( ( ( ( ( ( ( The arrangement ) , ) or ) sequences ) , ) ( of ( the letters ) ) ) ( ( determines ( ( the ( cell 's ) ) ( genetic code ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (NN arrangement)) (, ,) (CC or) (NP (NNS sequences)) (, ,)) (PP (IN of) (NP (DT the) (NNS letters)))) (VP (VBZ determines) (NP (NP (DT the) (NN cell) (POS 's)) (JJ genetic) (NN code))) (. .)))
The arrangement, or sequences, of the letters determines the cell's genetic code.
(ROOT (S (NP (DT The) (JJ genetic) (NN code)) (VP (VBZ works) (PP (IN in) (NP (NP (NN series)) (PP (IN of) (NP (JJ three-letter) (NNS codes)))))) (. .)))