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A protein-encoding region of a gene has the following DNA sequence: T T T C A T C A G G A T G C A A C A Determine how each of the following mutations alters the amino acid sequence:
a. Substitution of an A for the Tin the first posit ion
b. Substitution of a G for the C in the 17th position
c. Insertion of a T between the fourth and fifth DNA bases
d. Insertion of a GTA between the 12th and 13th DNA bases
e. Deletion of the first DNA
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