This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics of Common Disorders, Subject name: Pediatrics
[{'content': 'Turner syndrome - kary oty ping is- \nSelect and explain. \nA. 45, XO, B. 46XO, C. 47 XXX, D. Trisomy 21', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 45 XO o 45XOo Lymphadema of dorsum of hand & fato Loose skin fold at nape of necko Short statureo Short Neck (with webbing of neck)o Anomalies earo Broad shield like chest with widely spaced small nippleo Renal anomalies (Horse-shoe, souble or cleft renal pelvis)o Coart of aorta", 'role': 'assistant'}]