( ( ( Diploid : ) ( ( A cell ) ( with ( ( two sets ) ( of ( chromosomes ( -LRB- ( ( 46 ( in humans ) ) -RRB- ) ) ) ) ) ) ) ) ( . ( This ( ( ( is commonly ) ( represented ( by 2n ) ) ) . ) ) ) )
(ROOT (S (SQ (VP (VBD Diploid)) (: :) (NP (NP (DT A) (NN cell)) (PP (IN with) (NP (NP (CD two) (NNS sets)) (PP (IN of) (NP (NP (NNS chromosomes)) (PRN (-LRB- -LRB-) (NP (NP (CD 46)) (PP (IN in) (NP (NNS humans)))) (-RRB- -RRB-)))))))) (. .) (NP (DT This)) (VP (VBZ is) (ADVP (RB commonly)) (VP (VBN represented) (PP (IN by) (NP (CD 2n))))) (. .)))
Diploid: A cell with two sets of chromosomes (46 in humans). This is commonly represented by 2n.
(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))))) (. .)))