Kleinfilter syndrome is dignosed by -
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
Karvo typing
USG abdomen
Triple test
Echocadiography
Genetic Approach to Pediatric Medicine