Genetics

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A viral DNA is analyzed and found to have the following base composition, in mole percent: A = 32, G = 16, T = 40, C = 12. What can you immediately conclude about this DNA?


a stretch of double stranded DNA contains 1000 base pairs and its base composition is 58 % (G + C). How many thymine residues are in this region of DNA?

Would you get the amount of G + C = 580, so then A + T would be 420? Then would you divide that by 2 to get the individual number of each base? So 210 thymine residues?

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    Tsk Tsk Tsk, Dr. M would be displeased.

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