KROK 1 2012 – Question 145 · KROK (Medicine) · Biology
Cytogenetic examination of a patient with dysfunction of the reproductive system revealed normal karyotype 46,XY in some cells, but most cells have Klinefelter’s syndrome karyotype - 47,XXY. Such phenomenon of cell inhomogeneity is called:
- A. Mosaicism
- B. Transposition
- C. Inversion
- D. Heterogeneity
- E. Duplication
Hint
Focus on the fact that two different karyotypes are found in cells of the same individual, and ask what process after fertilisation can generate that.
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