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NEST2022BiologyMolecular Basis of Inheritance

Deoxyribonucleic acid (DNA) is a polymer composed of the nucleotides, deoxyadenosine triphosphate (dATP), deoxyguanosine triphosphate (dGTP), deoxythymidine triphosphate (dTTP) and deoxycytidine triphosphate (dCTP). Two such polymer strands are held together in a DNA duplex. From the following options, the correct representation of a typical Watson-Crick model of DNA duplex structure is:

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