KROK 1 2009 – Question 53 · KROK (Medicine) · Biology
Medical examination at the military registration and enlistment office revealed that a 15-year-old boy was high, with eunuchoid body proportions, gynecomastia, female pattern of pubic hair distribution. The boy had also fat deposits on the thighs, no facial hair, high voice, subnormal intelligence quotient. Which karyotype corresponds with this disease?
- A. 45, XO
- B. 47, XXX
- C. 46, XX
- D. 46, XY
- E. 47, XXY
Hint
Put the tall eunuchoid build, gynaecomastia and absent facial hair together and ask which sex-chromosome constitution gives a hypogonadal male phenotype.
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