This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transcription, Subject name: Biochemistry
[{'content': 'In the entire genome, the exonic DNA constitutes \nSelect and explain. \nA. 1.50%, B. 0.50%, C. 0.10%, D. 0.02%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Human genome: Size: 3 billion base pairs Number of genes: <25,000 At least 30% of the genome consists of repetitive sequences Alu family constitutes ~10% of human genome Largest gene: DMD gene coding for dystrophin protein Only around 1.5 % of human genome is made of protein-coding (exonic) DNA', 'role': 'assistant'}]