Mitochondria and chloroplast are

$(A)$ semi­autonomous organelles

$(B)$ formed by division of pre­existing organelles and they contain $DNA$ but lack protein synthesising machinery.

Which one of the following options is correct ?

• A

  $(A)$ is true but $(B)$ is false.

• B

  Both $(A)$ and $(B)$ are false.

• C

  Both $(A)$ and $(B)$ are correct.

• D

  $(B)$ is true but $(A)$ is false.