( ( ( Diploid cells ) ( have ( 46 chromosomes ) ) ) ( , ( ( triploid cells ) ( ( have ( ( 69 , ) etc. ) ) . ) ) ) )
(ROOT (S (S (NP (JJ Diploid) (NNS cells)) (VP (VBP have) (NP (CD 46) (NNS chromosomes)))) (, ,) (NP (JJ triploid) (NNS cells)) (VP (VBP have) (NP (NP (CD 69)) (, ,) (NP (FW etc.)))) (. .)))
Diploid cells have 46 chromosomes, triploid cells have 69, etc.
(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))))) (. .)))