( ( An individual ) ( normally ( ( has ( ( 23 pairs ) ( of ( chromosomes ( in ( ( ( his or ) her ) ( body cells ) ) ) ) ) ) ) ; ) ) )
(ROOT (S (NP (DT An) (NN individual)) (ADVP (RB normally)) (VP (VBZ has) (NP (NP (CD 23) (NNS pairs)) (PP (IN of) (NP (NP (NNS chromosomes)) (PP (IN in) (NP (ADJP (PRP$ his) (CC or) (PRP$ her)) (NN body) (NNS cells))))))) (: ;)))
An individual normally has 23 pairs of chromosomes in his or her body cells;
(ROOT (S (NP (DT A) (JJ normal) (JJ human) (NN liver) (NN cell)) (VP (VBZ has) (NP (NP (CD 23) (NNS pairs)) (PP (IN of) (NP (NNS chromosomes))))) (. .)))