The transgenic animals are those which have:
Correct answer: C. Foreign DNA and RNA in all its cells
- A. Foreign DNA in all its cells
- B. Foreign DNA in some of its cells
- C. Foreign DNA and RNA in all its cells
- D. Foreign DNA and RNA in some of its cells
Explanation
A transgenic organism is one that has become transformed following the introduction of novel genes into its genome. It is most frequently achieved by the integration of cloned DNA sequences following their injection into the fertilized egg. This fertilized egg divides mitotically to form the whole organism so that all the cells of the organism will carry the transferred gene. The transferred genes are known as transgenes. Transgenesis can be done by pronuclear microinjection and somatic cell nuclear transfer or cloning. Transgenic animals produced by this technology include mice, Drosophila, Xenopus and some of the fish species.
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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.
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