Which one of the following is a correct statement?

  • A
    $Bt$ in "$Bt$-cotton" indicates that it is a genetically modified organism produced through biotechnology.
  • B
    Somatic hybridization involves fusion of two complete plant cells carrying desired genes.
  • C
    The anticoagulant hirudin is being produced from transgenic $Brassica \text{ } napus$ seeds.
  • D
    Flavr Savr variety of tomato has enhanced the production of ethylene which improves its taste.

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