Mutations can occur following DNA replication that escapes the proofreading and repair systems. Which statement about DNA mutations is true? a. All mutations result in a phenotypic change. b. A...

Mutations can occur following DNA replication that escapes the proofreading and repair systems. Which statement about DNA mutations is true?

a. All mutations result in a phenotypic change.

b. A frameshift mutation at the beginning of the coding sequence is most likely to result in a phenotypic change.

c. A transversion always encodes for a stop codon.

d. A missense point mutation never encodes for a stop codon.