This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
[{'content': 'Triangular facies is indicative of? \nSelect and explain. \nA. Russell Silver syndrome, B. Mobius syndrome, C. Soto syndrome, D. Nephrotic syndrome', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Russel Silver syndrome(Ref: Nelson's 20/e p 625, 2875)In Russell silver syndrome, short stature, triangular face (small jaw & pointed chin), & limb anomalies are seen;It is an example of genomic imprinting disorder involving chromosome 11; Triangular facies is also seen in Alagille syndrome,", 'role': 'assistant'}]