Sunday, April 12, 2015

080-2008

MO640 - Multiple-choice question

Consider a linear chromosome π with genes numbered from 1 to 9, and disposed in the order -3, 2, -5, -6, 7, -8, 1, 4, 9, where negative signs indicate genes in the ooposite strand with respect to the others.  Which of the following signed gene orders represents chromosomes that can be obtained from π by applying a single reversal?
  1. 9, 4, 1, -8, 7, -6, -5, 2, -3
  2. 3, -2, 5, 6, -7, 8, -1, -4, -9
  3. -3, -2, -5, -6, -7, -8, 1, 4, 9
  4. -9, -4, -1, 8, 2, -5, -6, 7, 3
  5. NDA
Original Idea by: Danilo Brandão Gonçalves
Translate help: Leandro José de Bortoli
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1 comment:

  1. CristianoJune 18, 2015 at 10:19 AM

    According to answer sheet, the correct option is 'D'. But, I can't imagine how is possible transform the original sequence in 'D' performing only on reversal.

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