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Heredity and Evolution
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30/11/2020 6:03 pm
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Where are the genes located? What is the chemical nature of genes?
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30/11/2020 6:04 pm
Genes are segments of the DNA, which is wound compactly into chromosomes. A gene is composed of a specific sequence of nucleotides. A nucleotide is made up of a nitrogenous base, a sugar molecule and a phosphate group.