( ( A ( human cell ) ) ( ( contains ( ( many thousands ) ( of ( different genes ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ human) (NN cell)) (VP (VBZ contains) (NP (NP (JJ many) (NNS thousands)) (PP (IN of) (NP (JJ different) (NNS genes))))) (. .)))
A human cell contains many thousands of different genes.
(ROOT (S (NP (DT A) (JJ single) (JJ human) (NN body) (NN cell)) (ADVP (RB typically)) (VP (VBZ contains) (NP (NP (NNS thousands)) (PP (IN of) (NP (NNS genes))))) (. .)))
A single human body cell typically contains thousands of genes.