Which type of mutation always creates a stop codon?

a. missense mutation
b. nonsense mutation
c. silent mutation
d. point mutation

Which type of mutation always creates a stop codon?

The answer is nonsense mutation (option B)

Explanation:

Nonsense mutation is a genetic mutation in a DNA sequence responsible for changing an amino acid to a Stop codon resulting in the premature termination of protein synthesis.  

Brief explanation of a Stop codon

Stop codon: Is a set of three adjacent bases in the DNA or their complementary bases in messenger RNA that signals a termination of  protein synthesis. Termination of protein synthesis is triggered by the recognition of a stop codon at the ribosomal A-site which involves the decoding of a stop signal through an interaction between mRNA and proteins (release factors). When a translating ribosome encounters one of the three types of Stop codons which are, amber (UAG), ochre (UAA) and umber or opal (UGA), termination of protein synthesis occurs.

ya the other dude is right