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7 January, 07:35

What is dna? what was sir alec jeffreys' contribution to the study of dna?

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  1. 7 January, 07:41
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    DNA is a double helix, while RNA is a single helix. Both have sets of nucleotides that contain genetic information. Credit: udaix Shutterstock. Deoxyribonucleic acid or DNA is a molecule that contains the instructions an organism needs to develop, live and reproduce.
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