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Which of the following pairs is/are correctly matched? 1. Francis Collins — Mapping human genome 2. Sergey Brin : Google Search Engine 3. Jimmy Wales — Wikipedia Select the correct answer using the code given below:

  1. (a)1 and 2 only
  2. (b)2 and 3 only
  3. (c)3 only
  4. (d)1, 2 and 3
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Official answer(d) 1, 2 and 3