The four bases-ATCG
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The four bases-ATCG
Adenine, thymine, cytosine and guanine are the four nucleotides found in DNA.
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Traits as diverse as the color of a person's eyes and the scent of a rose are determined by the information contained in DNA. Learn how this information is coded by strings of molecules called nucleotides.
Through the technique of DNA sequencing, first developed by Frederick Sanger, scientists can determine the exact order of nucleotides in an organism’s genes. Knowing this order is the first step in our efforts to map the DNA sequences of all organisms and thereby connect gene sequence with gene function.
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