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: Pathology
[{'content': 'All of the the following statement (s) is/are true except: \nSelect and explain. \nA. Denever group F-contain X chromosome, B. Denever group C-contain X chromosome, C. Denever group G-contain acrocentric chromosome, D. Bar body is inactive X chromosome', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- (A) Denever group F-contain X chromosomeThe classification of chromosomes based on Denver group classificationChromosome ClassSizeRelative Position of CentromereGroup A (1-3)Group B (4-5)Group C (6-12,X)Group D (13-15)Group E (16-18)Group F (19-20)Group G (21-22,Y)LargeLargeMediumMediumRelatively shotshoShoMetacentricSubmetacentricSubmetacentricAcroentricSubmetacentricMetacentric or SubmetacentricAcroentric', 'role': 'assistant'}]