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Biotechnology : Principles and Processes
Question
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For transformation, microparticles coated with DNA to be bombarded with gene gun are made up of

  • silver or platinum

  • platinum or zinc

  • silicon or platinum

  • gold or tungsten

Answer

D.

gold or tungsten

Biolistics or gene gun is a direct or vectorless way used to introduce alien DNA into host cells. In this method of gene transfer, high velocity micro-particles of gold or tungsten, coated with DNA are bombarded on the plant cells. 

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