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Ram Sharma • 193.86K Points
Coach Biology 

Q. Which among the given events occurred first -

  • (A) World's 1st test tube baby Louise Brown was born in U.K.
  • (B) World's 1st human heart transplant was performed by Dr. Christian Barnard
  • (C) Yuri Gagarin became the 1st man in space
  • (D) DNA structure of genes was discovered by James D Watson & Francis Crick
  • Correct Answer - Option(D)
  • Views: 554
  • Filed under category Biology

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