Pathology – MCQ 90 – Sexually under developed male with rudimentary testes

Males who are sexually under developed with rudimentary testes and prostate glands, sparse pubic and facial hair, long arms and legs and large hands & feet are likely to have the chromosome complement of:
A. 45, XYY
B. 46, XY
C. 46, XXY
D. 46, X

Correct answer : C. 46, XXY

The clinical picture is that of Klinefelter syndrome. The correct answer should be 47, XXY. But it is not among the options given. Hence we select 46, XXY as the best option.