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': 'Karyotyping is useful in diagnosis of: \nSelect and explain. \nA. Autosomal Recessive disorders, B. X Linked Recessive disorders, C. Biochemical abnormalities, D. Chromosomal Abnormalities', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chromosomal abnormalities can be assessed with karyotyping. Ref: Edwin H. McConkey, (1993), Chapter 9, "Genetic Screening", In the book, "Human Genetics: The Molecular Revolution", London, Page 187; Wintrobe\'s Cliical Hematology, 12th Edition, Page 54', 'role': 'assistant'}]