HORTICULTURE SCIENCE
PLANT BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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development of a nasal spray that contains copies of the normal gene that is defective in person with cystic fibrosis
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cutting DNA into fragments with restriction enzymes
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modifying E. coli to produce indigo dye for coloring denim blue jeans
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separation DNA fragments using gel electrophoresis
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Detailed explanation-1: -Integrating Gene Therapy This kind of gene therapy is like binding a new page into an existing book. An advantage of an integrating gene therapy is that it is permanent for the life of the cell. This means that a person with CF might have to receive the gene therapy only once or a few times in their life.
Detailed explanation-2: -In 1990, 4-year-old Ashanthi de Silva became the first gene therapy success story. She was born with a severe combined immunodeficiency (SCID) due to lack of the enzyme adenosine deaminase (ADA). Without ADA, her T cells died off, leaving her unable to fight infections.
Detailed explanation-3: -These are: medicines made from GMOs – for example, using genetically modified (GM) bacteria to produce insulin. GMOs used as medicines – for example, Gardasil vaccine to prevent human papillomavirus, and the mRNA COVID-19 vaccines (Comirnaty (Pfizer) and Spikevax (Moderna)).