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Biology
Genetic Engineering (Section 9)
Question | Answer |
---|---|
What are the name of the enzymes that are used to cut out required gene from DNA | Restriction enzymes |
Cutting DNA with restriction enzymes results in DNA with '_______ ends' | sticky |
Restriction enzymes are used to cut out genes and what else? | Bacterial plasmid |
What enzyme is used to join two pieces of DNA together? | Ligase |
What is the result of sticking together two pieces of DNA called? | Recombinant DNA |
What is a vector? | Something used to transfer DNA into a cell |
What are the two types of vector? | Plasmids and viruses |
Name the 2 concerns over genetically modified plants | 1. They could escape into the environment 2. There is a small risk they could affect human health |
Name 4 ways that plants could be genetically modified | To make them: 1. Herbicide resistant 2. Insect resistant 3. Better quality 4. Increased yield |
What are genetically modified crop plants known as? | GM crops |
Why is it useful if a crop is resistant to herbicide? | Herbicide can be sprayed to kill a weed but not the plant |
What do we call a genetically modified organism? | a GMO |
What does the term 'transgenic' mean? | The transfer of genetic material from one species to a different species |