Compare the statements $A$ and $B$.
$\text{Statement } A$: A monocistronic mRNA can produce several types of polypeptide chains.
$\text{Statement } B$: The terminator codon is present on the mRNA.
Select the correct description.

• A
  Statement $A$ is wrong and $B$ is correct.
• B
  Both the statements $A$ and $B$ are correct.
• C
  Both the statements $A$ and $B$ are wrong.
• D
  Statement $A$ is correct and $B$ is wrong.