The branch of biology dealing with the process how to improve the human race by selective breeding is

  • [AIIMS 1997]
  • A

    Euthenics

  • B

    Obstetrics

  • C

    Euphenics

  • D

    Eugenics

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$R$ : The path of extinction of a species cannot be reversed due to bottle neck effect

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Select the mismatched pair