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How thousands of different genes can be formed with just 4 nucleotides?


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August 08, 2008 12:16PM

Gene is the functional part of DNA, i.e. gene is made up of DNA and DNA is made of nucleotides in which there are sugar, phosphate group and bases. For DNA four bases are required Adinine, Guanine, Thyamine, Cytosine. They can be arranged in different sequence to form different protein of DNA, so the different sequential arrangement of bases lead to the formation of thousands of different gene from four bases.