Abase substitution mutation in a gene does not always result in a different protein. which of the following factors could account for this?

Although a base substitution alters only a single codon in a gene, it can still have a significant impact on protein production. In fact, depending on the nature of the codon change, base substitutions can lead to three different subcategories of mutations.

it will be bbb bbb bbb bbb bbb bbb bbb bbb