Which type of mutation never causes a change in the function of the protein encoded by the mutated gene?

nonsense mutation
silent mutation
missense mutation
frame-shift mutation

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that

Matched chromosomes carrying information about the same characteristics in the organism are called

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?