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Law Incorporation [45]
3 years ago
7

Advances in biotechnology, especially regarding genetic testing and gene therapy, now allow for the screening and possible

Biology
1 answer:
Tpy6a [65]3 years ago
5 0

Answer:

D. Scientists use viruses to insert specific gene sequences.

Explanation:

Gene Therapy:

  • Gene therapy is a treatment approach for genetic diseases that involves either the removal or the replacement of the defective gene with a normal one.
  • Gene therapy is currently an experimental procedure that utilizes <em>in-vivo</em> (directly into body) and <em>ex-vivo</em> (taking cells outside, treating them and injecting them back into the body.
  • Gene therapy involves the use of two kinds of vectors i.e. vehicles for carrying and injecting the normal gene into body cells:
  1. <u>Viral vectors are modified viruses that infect the target cells and inject the normal gene in to them.</u>
  2. Non-viral vectors mostly comprise polymers (such as lipid based particles etc.) that encapsulate the normal gene and fuse with the cell membrane of the target cells.
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