( This ( ( ( ( is ( no ( small task ) ) ) , ) ( for ( ( ( the DNA ) ( that ( must ( be ( stored ( in ( each ( 0.00001-meter-diameter ( human cell ) ) ) ) ) ) ) ) ) ( ( ( ( would , ) ( if ( extended ( to ( its ( full length ) ) ) ) ) ) , ) ( measure ( ( about two ) meters ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (NP (DT no) (JJ small) (NN task)) (, ,) (SBAR (IN for) (S (NP (NP (DT the) (NN DNA)) (SBAR (WHNP (WDT that)) (S (VP (MD must) (VP (VB be) (VP (VBN stored) (PP (IN in) (NP (DT each) (JJ 0.00001-meter-diameter) (JJ human) (NN cell))))))))) (VP (MD would) (, ,) (SBAR (IN if) (S (VP (VBN extended) (PP (TO to) (NP (PRP$ its) (JJ full) (NN length)))))) (, ,) (VP (VB measure) (NP (QP (RB about) (CD two)) (NNS meters))))))) (. .)))
This is no small task, for the DNA that must be stored in each 0.00001-meter-diameter human cell would, if extended to its full length, measure about two meters.
(ROOT (S (SBAR (IN If) (S (NP (NP (DT the) (NN dna)) (PP (IN from) (NP (NP (DT all) (CD 46) (NNS chromosomes)) (PP (IN in) (NP (DT a) (JJ human) (NN cell) (NN nucleus)))))) (VP (VBD was) (VP (VBN laid) (PRT (RP out)) (NP (NN end)) (S (VP (TO to) (VP (VB end)))))))) (, ,) (NP (PRP it)) (VP (MD would) (VP (VB measure) (ADVP (NP (QP (RB approximately) (CD two)) (NNS meters)) (RB long)))) (. .)))
If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately two meters long.