Medical Emergencies · single question

The most common autosomal trisomy is:

  1. Trisomy 13
  2. Trisomy 18
  3. Trisomy 21
  4. Trisomy 16
Show answer and explanation

Correct answer: C. Trisomy 21

  • A. Patau syndrome is uncommon.
  • B. Edwards syndrome is uncommon.
  • C. Correct. Trisomy 21 (Down syndrome) is the most common autosomal trisomy.
  • D. Trisomy 16 is the most common trisomy in miscarriages but is not compatible with live birth.

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