Kleiner syndrome is diagnosed by: (A) Karvo typing, (B) USG abdomen, (C) Triple test, (D) Echocadiography
Answer is A. Klinefelter syndrome

Extra x chromosome (47 XXY) karyotype
Small testes with hyalinised seminiferous tubules
Delayed puberty
Delayed secondary sexual characters Small penis
Tall & underweight
Mental retardation
Gynaecomastia