KROK 1 2016 – Question 37 · KROK (Medicine) · Biology
Sex chromatin was detected during examination of a man’s buccal epithelium. It is characteristic of the following chromosome disease:
- A. Triple X syndrome
- B. Down’s disease
- C. Klinefelter’s syndrome
- D. Turner’s syndrome
- E. Hypophosphatemic rickets
Hint
Sex chromatin corresponds to inactivated X chromosomes; reason how many X chromosomes a man needs for it to appear, and which of the listed conditions allows that.
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