KROK 1 2016 – Question 26 · KROK (Medicine) · Biology
Parents of a sick 5-year-old girl visited a genetic consultation. Karyotype investigation revealed 46 chromosomes. One chromosome of the 15th pair was abnormally long, having a part of the chromosome belonging to the 21st pair attached to it. What mutation occurred in this girl?
- A. Deficiency
- B. Inversion
- C. Translocation
- D. Deletion
- E. Duplication
Hint
Compare what happens to the total chromosome number and to the length of the affected chromosome, and whether the extra material comes from the same or from a different chromosome.
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