Transgenic Technology and GMOs

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Questions and Answers

What is the meaning of GMO?

GMO stands for Genetically Modified Organism.

What does the term 'genetic' refer to?

The term 'genetic' refers to genes or DNA.

What does the term 'modification' mean?

The term 'modification' means changing from an original state.

What is an organism?

An organism is any living thing, including animals, plants, bacteria, and fungi. Signup and view all the answers

What is the definition of a GMO?

A GMO is a living thing whose original genes or DNA have been intentionally changed. Signup and view all the answers

What is gene silencing?

Gene silencing refers to the process of switching off a gene by a mechanism other than genetic modification. Signup and view all the answers

What is the difference between gene silencing and gene editing?

Gene silencing is the process of knocking down a gene, while gene editing refers to the complete removal or alteration of a gene. Signup and view all the answers

What is RNA interference (RNAi)?

RNA interference (RNAi) is a biological process where RNA molecules inhibit gene expression or translation by neutralizing targeted mRNA molecules. Signup and view all the answers

What is the role of Dicer in RNAi?

Dicer is an enzyme that cuts double-stranded RNA (dsRNA) into smaller fragments with 2-3 base pair overhangs, which are then used in the RNA interference pathway. Signup and view all the answers

What are some other names for gene silencing?

Gene silencing is also known as co-suppression, post-translational gene silencing (PTGS), or quelling. Signup and view all the answers

What is gene silencing?

Gene silencing is a mechanism that switches off a gene by a process other than genetic modification. Signup and view all the answers

What is the difference between knock down and knock out?

Knock down refers to gene silencing, while knock out refers to the complete inactivation of a gene. Signup and view all the answers

What is RNA interference (RNAi)?

RNA interference is a biological process in which RNA molecules inhibit gene expression or translation by neutralizing targeted mRNA molecules. Signup and view all the answers

What is the role of Dicer in RNAi?

Dicer is an enzyme that cuts double-stranded RNA (dsRNA) into fragments, which are around 20-25 base pairs long with 2-3 base pair overhangs. Signup and view all the answers