This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Choriocarcinoma, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of the following is true about Turner syndrome: \nSelect and explain. \nA. 45 X Chromosome, B. Primary Amenorrhea, C. Coarctation of acrta, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) All of the aboveRef : Shaws 15th ed. /110-111, Harrison 19/e 635; D.C Dutta 6th Ed. 1422-423In turner syndrome* Deletion of genetic material from an X chromosome accounts for about two thirds of gonadal dysgenesis which leads to a condition called turner syndrome (XO).* A 45, X karyotype is found in about half of these patients, most of whom have associated somatic defects including short stature, webbed neck, low hairline, shield-shaped chest, widening of long bones, STREAK GONADS, renal anomalies (Horse-shoe kidney) and cardiovascular defects (COA).* Other features of turners syndrome is summarized in the image given.', 'role': 'assistant'}]