sentence2_structure: the dna from all 46 chromosomes in a human cell nucleus<>was laid out<>$$$it<>would measure<>approximately two meters long
sentence1: If you took the DNA from a single human cell, that is, the four long molecules, and you put them end on end, you couldn t see them because they d be only two-billionths of a meter across.
sentence2: 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.
question: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately how long?