100 Questions and Answers About Infertility Related

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Of the following karyotype results, which indicates a finding of Turner syndrome?

  • A. 46 XY
  • B. 46 YY
  • C. 46 XX
  • D. 46 X
Correct Answer: D

Rationale: Certainly. The correct answer is D (46 X) for Turner syndrome. Turner syndrome is characterized by a missing or partially missing X chromosome in females. Therefore, a karyotype of 45,X or 46,X would indicate Turner syndrome. Choice A (46 XY) is a normal male karyotype, B (46 YY) is not a valid karyotype, and C (46 XX) is a normal female karyotype.