It Would Appear That The Number Of Nonsense Triplets Is Rather Low, Since We Only Occasionally Come Across Them. However This Conclusion Is Less Secure Than Our Other Deductions About The General Nature Of The Genetic Code. - SearchQuotes

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It would appear that the number of nonsense triplets is rather low, since we only occasionally come across them. However this conclusion is less secure than our other deductions about the general nature of the genetic code.

Francis Crick

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Attempts have been made from a study of the changes produced by mutation to obtain the relative order of the bases within various triplets, but my own view is that these are premature until there is more extensive and more reliable data on the composition of the triplets.

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A final proof of our ideas can only be obtained by detailed studies on the alterations produced in the amino acid sequence of a protein by mutations of the type discussed here.

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