MCQ
$A$ - Transformation is a procedure through whicha piece of $DNA$ is introduced in a hostbacterium.
$R$ - With the help of $PCR$ thousand of $DNA$ copies are formed
- ✓$A$ and $R$ both are correct.
- B$A$ and $R$ both are incorrect.
- C$A$ is correct, $R$ is incorrect.
- D$A$ is incorrect, $R$ is correct.