Question

An organism has a gene mutation that changes the sequence of amino acids for a protein, but the protein remains unchanged. Which of the following statements best describes this type of mutation?

A nonsense mutation changed the organism’s phenotype.
A frameshift mutation changed the organism’s DNA.
A silent point mutation changed the organism’s DNA.
A nonsense point mutation changed the organism’s DNA.

Answer 1

What do you think your self? :)
If in doubt start by defining the words:
1) Nonsense mutation
2) Frameshift mutation
3) Silent point mutation
4) phenotype.

Answer 2

If in doubt we just go though the question together. But the answer should reveal it self if you think about the 4 words I wrote up.

Answer 3

Its C.