Question

Puffs of polytene chromosome are specially concentrated with

• A. DNA polymerase
• B. Ligase
• C. Ecdysone
• D. RNA polymerase

Answer 1

The correct option is D RNA polymerase

• A Balbiani ring can be defined as a large chromosome puff in the polytene chromosome.
  
• Chromosome puffs refer to the diffused and uncoiled regions present within the polytene chromosome which are a site for transcription of RNA and synthesis of proteins as it contains concentrated RNA polymerase enzyme.
• So, the correct answer is 'RNA polymerase'.