( ( A ( normal ( human cell ) ) ) ( ( has ( 46 chromosomes ) ) . ) )
(ROOT (S (NP (DT A) (JJ normal) (JJ human) (NN cell)) (VP (VBZ has) (NP (CD 46) (NNS chromosomes))) (. .)))
A normal human cell has 46 chromosomes.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD 46) (NNS chromosomes) (NNS chromosomes)) (PP (IN in) (NP (DT a) (JJ diploid) (JJ human) (NN cell))))) (. .)))