The dna sequence ttg is changed to tcg and produces a new protein. which type of mutation is this?
a) missense
b) nonsense
c) silent
d) frameshift

a) missense. Missense mutation is a type of point mutation that happens when one nucleotide is changed and a different amino acid is substituted in the resulting protein. An example of a disease with this type of mutation is sickle cell anemia.

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The answer is c : ) hope this answered your question!