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DNA Molecule |
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| A DNA molecule consists of a ladder, formed of sugars and phosphates, and four nucleotide bases: adenine (A), thymine (T), cytosine (C), and guanine (G). The genetic code is specified by the order of the nucleotide bases, and each gene possesses a unique sequence of base pairs. Scientists use these base sequences to locate the position of genes on chromosomes and to construct a map of the entire human genome. | ||||||
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| Appears in these articles: | ||||||
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| Gene Therapy; Genetics; Evolution; Molecule; Human Genome Project | ||||||
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