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Describe the biochemical composition, structure, and replication of DNA. Discuss how recombinant DNA techniques may be used to correct a point mutation.


. Scientists seeking to determine which molecule is responsible for the transmission of characteristics from one generation to the next knew that the molecule must (1) copy itself precisely, (2) be stable but able to be changed, and (3) be complex enough to determine the organism's phenotype.

describe how DNA meets each of the three criteria stated above.

Select one of the criteria stated above and describe experimental evidence used to determine that DNA is the hereditary material.

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