write a short note on DNA and ᵍᵉⁿᵉ
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DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
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genes are sigment of deoxyribonucleic acid that contains the code for a specific protein that functions in one or more types of cells in the body .
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