( Genes ( ( are ( contained ( in ( ( the chromosomes ) ( in ( ( the nucleus ) ( of ( each cell ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Genes)) (VP (VBP are) (VP (VBN contained) (PP (IN in) (NP (NP (DT the) (NNS chromosomes)) (PP (IN in) (NP (NP (DT the) (NN nucleus)) (PP (IN of) (NP (DT each) (NN cell))))))))) (. .)))
Genes are contained in the chromosomes in the nucleus of each cell.
(ROOT (S (NP (NP (DT A) (NN cell) (POS 's)) (NNS chromosomes)) (VP (VBP contain) (NP (NNS genes))) (. .)))
A cell’s chromosomes contain genes.