( ( In humans ) ( , ( ( each cell ) ( typically ( ( has ( ( ( ( 46 chromosomes ) , ) or ) ( 23 pairs ) ) ) . ) ) ) ) )
(ROOT (S (PP (IN In) (NP (NNS humans))) (, ,) (NP (DT each) (NN cell)) (ADVP (RB typically)) (VP (VBZ has) (NP (NP (CD 46) (NNS chromosomes)) (, ,) (CC or) (NP (CD 23) (NNS pairs)))) (. .)))
In humans, each cell typically has 46 chromosomes, or 23 pairs.
(ROOT (S (NP (NNS Humans)) (ADVP (RB typically)) (VP (VBP have) (NP (NP (CD 23) (JJ pairs) (NNS pairs)) (PP (IN of) (NP (NNS chromosomes))))) (. .)))
Humans typically have 23 pairs pairs of chromosomes.