This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Total number of base pairs in human haploid set of chromosome \nSelect and explain. \nA. 3 million, B. 3 billion, C. 33 billion, D. 5 million', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Humanhaploid genome of each cell consist of (3*109 ) bp (3 billion bp)Current estimates predict 20,687 protein coding genes Exome constitutes 7.74% of genomeSNPs estimated is 10 million.', 'role': 'assistant'}]