Multiple choice

Which of the following pairs of 'disorder - its cause' is/are incorrectly matched?

  1. Barakat syndrome - defect getting mapped to chromosome 10p
  2. Blepharophimosis, ptosis, epicanthus inversus syndrome - caused by a mutation in the gene FOXL2 that is located at band 23 on the long arm of chromosome 3
  3. Brunner syndrome - caused by mutations in the maternally and paternally-derived copies of the gene BLM

  1. Only 1

  2. Only 2

  3. Only 3

  4. Only 1 and 2

  5. Only 2 and 3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is correct. Brunner syndrome is caused by monoamine oxidase A deficiency whereas Bloom-Torre-Machacek syndrome is caused by mutations in the maternally and paternally-derived copies of the gene BLM.

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