KROK 1 2009 – Question 163 · KROK (Medicine) · Biology

A 28-year-old female patient consulted a gynecologist about sterility. Examination revealed underdeveloped ovaries and uterus, irregular menstrual cycle. Analysis of the sex chromatin revealed 2 Barr’s bodies in most somatic cells. What chromosome disease is most likely?

  1. A. Turner’s syndrome
  2. B. Edwards’ syndrome
  3. C. Klinefelter’s syndrome
  4. D. Triple X syndrome
  5. E. Patau’s syndrome
Hint

Use the rule that each cell has one sex-chromatin body fewer than its number of X chromosomes, and deduce the karyotype from the count.

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