KROK 1 Stomatology 2012 – Question 100 · KROK (Dentistry)

According to the phenotypic diagnosis a female patient has been provisionally diagnosed with X-chromosome polysomia. This diagnosis can be confirmed by a cytogenetic method. What karyotype will allow to confirm the diagnosis?

  1. A. 48(XXXY)
  2. B. 46(XX)
  3. C. 48(XXYY)
  4. D. 47(XXX)
  5. E. 47(XXY)
Hint

Recall which sex chromosome determines a male phenotype and what 'polysomy' means for the total chromosome count.

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