Question: Which of the following is the most direct cause of polyteny in somatic cells of certain organisms?
A: RNA transcription
B: Supercoiling of chromatin
C: Chromosome replication without cell division
D: Chromosome recombination
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Your answer should have exactly 6 paragraphs. Make sure that the first paragraph starts with the word "records" and that each paragraph is separated by two new lines.
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