KROK 1 2012 – Question 40 · KROK (Medicine) · Biology
46 chromosomes were revealed on karyotype examination of the 5 year old girl. One of the 15th pair of chromosomes is longer than usual due to connected chromosome from the 21 pair. What type of mutation does this girl have?
- A. Translocation
- B. Deletion
- C. Duplication
- D. Insufficiency
- E. Inversion
Hint
Note that the chromosome number is normal and ask what kind of structural change makes one chromosome longer by attaching material from a different pair.
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