MCQ
Read the following statements:
$A.$ Variation at genetic level arises due to mutations.
$B.$ Technique of $DNA$ fingerprinting was initially developed by Alec Jeffreys
- AOnly $(B)$ is correct
- ✓Both $(A)$ and $(B)$ are correct
- COnly $(A)$ is correct
- DBoth $(A)$ and $(B)$ are incorrect