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- Subject
- Pathologymedical-mcqs › pathology
- Published
- 27 Jul 2019
- Last updated
- 28 May 2026
Explanation
Down syndrome is typically caused by trisomy 21, mosaicism of chromosome 21, or Robertsonian translocations involving chromosome 21. A deletion of chromosome 21 does not result in Down syndrome.
More Pathology MCQs
Practice related questions from the same subject.
- 1.Which of the following statements about nuclear changes during cell death is accurate?
- 2.Which of the following statements is accurate?
- 3.Which of the following statements about thrombi is accurate?
- 4.Which of the following statements about cervicofacial actinomycosis is INCORRECT?
- 5.Where are mural thrombi typically located?
- 6.Which disease does carrying one sickle cell gene (heterozygous sickle cell trait) provide resistance against?
- 7.What is the accurate cytogenetic notation for Down syndrome caused by a translocation between chromosome 14 and chromosome 21?
- 8.Which form of immune response is primarily triggered by T-helper 2 (TH2) cells?