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Biotechnology and its Applications — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology and its Applications1 Mark
MCQ
Giant mouse has been produced through:
  • A
    Tissue culture
  • B
    Gene differentiation
  • C
    Gene manipulation
  • D
    All of the above
✓

Answer

  1. Gene manipulation

Explanation:

A transgenic animal is that animal which carries the foreign gene. Foreign gene is inserted into the genome by the process of recombinant DNA technology and such DNA is called as recombinant DNA which is then transferred into embryos prior to birth. Normal mice cannot be infected with poliovirus due to lack of receptors as humans on the cell-surface So, the giant mouse is developed from a fertilized egg transformed with a recombinant DNA molecule containing the gene for human growth hormone which acts as a strong mouse gene promoter and consists receptors for poliovirus in their cell surface.

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