Answer :
When Crick and Brenner introduced, 2 deletions, the observed result was that the genetic message shifted and all of the amino acids after the deletion were altered.
What is the genetic code?
The genetic code refers to the fact that certain triplets of nucleotides or codons in the linear nucleotide sequence that a particular DNA gene fragment may encode into a specific type of amino acids after transcription to mRNA and further translation.
If we introduce a genetic change or mutation deletion in a gene sequence then it will change the open reading frame of the resulting gene (when this deletion is not a multiple of three since this is the nucleotide number in codons).
Therefore, with this data, we can see that the genetic code specifies the order of amino acids in the proteins and a deletion may change the amino acids downstream of the mutated site.
Learn more about the genetic code here:
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