In 1960, Hans Fraenkel-Conrat and colleagues conducted a study of single-nucleotide substitutions induced by the mutation-producing compound nitrous oxide. What did these experiments tell them about the genetic code?

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A single base change in mRNA would alter three consecutive codons because the genetic code is nonoverlapping but the codons contain three bases each.

A single base change in mRNA would alter two consecutive codons and amino acids because the genetic code is nonoverlapping

A single base change in mRNA would alter three consecutive codons and three amino acids because the genetic code is overlapping.

A single base change in mRNA would alter just a single codon (and amino acid) because the genetic code is nonoverlapping

 

asked May 15, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)
    

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A single base change in mRNA would alter just a single codon (and amino acid) because the genetic code is nonoverlapping
answered May 15, 2013 by GeneX ~Top Expert~ (7,947 points)

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