- Normal human being consists 23 pairs of chromosomes as a genome in each and every somatic cells. We have nearly 37 trillion cells average in our body, each with the chromosome and so DNA. Chromosome is the condense coiled form of DNA. It is also called nucleic acid or polynucleotide chain.
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Each DNA strand contain 3 billion base pair. Do you know if you stretch out all of your DNA from every cell of your body, it can reach from sun to Pluto back 17 times. Or it is just like a twice of our Solar System's diameter.
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Across the 6 micron space, there are 3 billion base pairs in each cell. Think how super coiled structure it is. If you measure the length of DNA of single cell, it will be approximately 2 meter long. And if you put all of your cell's DNA end to end, It can reach have 17 round trip of Sun to Pluto.
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Good one..
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