Which of the following DNA mutations is likely to have the most negative effect on the protein it specifies? 1: A codon deletion at the end of a sequence
2: A base pair deletion, resulting in a different amino acid
3: A substitution for one serine codon for a different serine codon
4: A substitution for one stop codon for another stop codon

the aswer is letter c

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

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answerhypothesis;