KROK 1 2016 – Question 76 · KROK (Medicine) · Biology

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

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

Decide which sex chromosome set belongs to a phenotypic female with X polysomy, and count the total number of chromosomes accordingly.

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