The diagram shows an important concept in the genetic implication of $DNA$. Fill in the blanks $A$ to $C$.

• A

  $A$ -Transcription, $B$ - Translation, $C$ - Francis Crick

• B

  $A$ - Translation, $B$ - Extension, $C$ - Rosalind Franklin

• C

  $A$ -­ Transcription, $B$ -­ Replication, $C$ -­ James Watson

• D

  $A$ -­ Translation, $B$ -­ Transcription, $C$ -­ Ervin Chargaff