The genetic code is essentially the same for all organisms
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The genetic code is essentially the same for all organisms. From this, one can logically assume all of the following EXCEPT: A) DNA was the first genetic material. B) All organisms have a common ancestor. C) A gene from an organism could theoretically be expressed by any other organism. D) Related organisms have many similar genes. E) All organisms must either manufacture nucleotides or obtain them from their environment.