Kleinfilter syndrome is dignosed by -: (A) Karvo typing, (B) USG abdomen, (C) Triple test, (D) Echocadiography
Answer is A. Ans. is 'a' i.e., Karyo typing Klinefelter syndromeo Extra x chromosome (47 XXY) karyotypeo Small testes with hyalinised seminiferous tubuleso Delayed puberty# Delayed secondory sexual charactero Small peniso Tall & under weighto Mental retardationo Gynaecomastia