Statement $I :$ The codon $'AUG'$ codes for methionine and phenylalanine.
Statement $II :$ $'AAA'$ and $'AAG'$ both codons code for the amino acid lysine.
In the light of the above statements,choose the correct answer from the options given below.

• A
  Both Statement $I$ and Statement $II$ are true
• B
  Both Statement $I$ and Statement $II$ are false
• C
  Statement $I$ is correct but Statement $II$ is false
• D
  Statement $I$ is incorrect but Statement $II$ is true