This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infant deaths & child abuse, Subject name: Forensic Medicine
[{'content': 'In macerated fetus, the organ used for DNA profiling is \nSelect and explain. \nA. Lungs, B. Spleen, C. Hea, D. Skeletal muscle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: If fetus is macerated, fetal lungs and brain tissues are more suitable for DNA typing Normal fetuses In older fetus, sample consists of fetal blood obtained by hea puncture. In young fetus, analysis of chorionic villi may provide the fetal pattern. Other tissue suitable for DNA analysis is - quadriceps muscle or rib', 'role': 'assistant'}]