Question

question 7
the type of mutation where a single letter in a sequence is changed but does not result in a change in the amino acid sequence of the protein:
a missense mutation
b silent mutation
c nonsense mutation
d frameshift mutation
e inversion mutation

Explanation:

A silent mutation occurs when a single - base change in DNA (a point mutation) does not alter the amino - acid sequence of the protein due to the degeneracy of the genetic code. A missense mutation changes one amino - acid, a nonsense mutation creates a stop codon prematurely, a frameshift mutation shifts the reading frame due to insertion or deletion of nucleotides, and an inversion mutation involves reversing a segment of DNA.

Answer:

B. silent mutation