KROK 1 2011 – Question 174 · KROK (Medicine) · Biology
Sex chromosomes of a woman didn’t separate and move to the opposite poles of a cell during gametogenesis (meiosis). The ovum was impregnated with a normal spermatozoon. Which chromosomal disease can be found in her child?
- A. Turner’s syndrome
- B. Cat cry syndrome
- C. Patau’s syndrome
- D. Down’s syndrome
- E. Edwards’ syndrome
Hint
Work out which egg karyotypes arise when sex chromosomes fail to separate in meiosis, and what results after fertilisation by a normal sperm.
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