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.

The statement that cannot be logically assumed from the statement that genetic code is essentially the same for all organisms is: DNA was the first genetic material.

GENETIC CODE:

Genetic code is used to describe a set of rule that explains how nucleotides of a DNA molecule are used to synthesize proteins. Genetic code is the sum of all codons that encode amino acids in the genome. One of the characteristics of the genetic code is that it is essentially the same for all organisms. This characteristics assumes the following statements:All organisms have a common ancestorA gene from an organism could theoretically be expressed by any other organismRelated organisms have many similar genesAll organisms must either manufacture nucleotides or obtain them from their environment.Therefore, the statement that cannot be logically assumed from the statement that genetic code is essentially the same for all organisms is: DNA was the first genetic material.

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