If you were to take all the dna molecules in your body and, Ask an Expert

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If you were to take all the DNA molecules in your body and stitch them all together into one gigantic linear double helix, how long would that helix be? Use the fact that 1 kilobase pair of DNA is 340 nanometers in length (340 nm) and that the haploid human genome contains 3.3 x 109 bp of DNA to make your calculation (remember that human cells are diploid!). Assume that the human body contains ~1013 cells. Show your work and express your answer in solar units (1 solar unit = distance from earth to the sun = 9.1 x 107 miles).

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Category:- Biology
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