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the human genome contains about 3.0 x 10^9 pairs of bases. Humans have around 21 000 genes , and a typical gene has 3000 base pairs. Suppose that the genome is a railway track and each base pair is a railway tie. if each railway tie is 1m from the next how many kilometers long is the track? given this info how much of the human genome consists of DNA that does not code for proteins?​
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