<prompt> A patient of 47 XXY karyotype presents with features of hypogonadism; likely diagnosis is:Turners syndromeKlinefelter syndromeEdwards syndromeDown syndrome  <response>: KLEINELFELTER SYNDROME XXY male XY male with an extra X chromosome Enlarged breasts Sparse facial and body hair Small testes Azoospermia primary testicular failure Increase LH and FSH levels Androgen deficiency causes eunuchoid body propoions Absent facial, axillary, pubic, or body hair Gynecomastia Small testes and penis Diminished libido 