Biotechnology Review

What is recombinant DNA

• DNA from 2 different organisms combined

• DNA from 2 different ribosomes

• DNA that is separated out from a vector

Which of the following could be used as a vector for a human gene?

• Bacterial Plasmid

• Bacteria

• A mitochondria

• mRNA

"transgenic" refers to an animal that:

• Has DNA from another organism spliced into its genome

• Has undergone DNA modification

• Has unique genes for its species

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In which ways can genetic engineering improve crops

• Make them pest or drought resistant

• Make them more nutritious

• Make them larger

• All answers are correct

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A circular piece of DNA, found in bacteria, is called:

• A plasmid

• mRNA

• Ribosome

• Nucleotide

Humans with genetic diseases can have a gene inserted into their body using a virus. This is called:

• Gene therapy

• Cloning

• DNA fingerprinting

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Making changes in the DNA of an organism is

• selective breeding
• artificial selection
• genetic engineering
• genetic transformation

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Which term refers to a farmer choosing the best corn from this year to plant next year?

• natural selection
• selective breeding
• genetic engineering
• genetic transformation

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Gel electrophoresis enables scientists to

• separate DNA fragments.
• combine DNA fragments.
• count the genes in DNA.
• insert DNA in cells.

Genetic engineering has been used to produce

• medicines.
• food animals.
• improved crops.
• all of these.

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