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Exam questionKROK 1Medicine · 2011

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?

Answer options

  1. Down’s syndrome
  2. Cat cry syndrome
  3. Patau’s syndrome
  4. Turner’s syndrome
  5. Edwards’ syndrome
Correct answer

Turner’s syndrome

Explanation

Failure of X chromosome separation leads to the presence of only 1 X chromosome in a female child XO, thus; Turner Syndrome.

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