<prompt> A patient of 47XXY karyotype with features of hypogonadism; likely diagnosis is :Turners syndromeKilenfelters syndromeEdwards syndromeDown syndrome  <response>: Answer is B Klinefelters Syndrome:Klinefelters syndrome most commonly presents with 47 XXY karyosome and hypogonadism is a common form of presentation and suppos the diagnosis. 