Genetic Engineering Review

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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Which is used to cut DNA molecules at specific points?

• gel electrophoresis
• PCR analysis
• a restriction enzyme
• recombinant DNA

During DNA transformation, a cell

• is treated with radiation.

• has two genetically different parents.

• has foreign DNA inserted in its chromosome.

• has parents of different species.

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A molecule containing DNA from two different organisms is called

• a plasmid.
• a polyploid.
• a hybrid organism.
• recombinant DNA.

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Genes found on DNA contain the instructions for making  

• pyrimidines 
  
• pyrimidines
• proteins
• purines

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simple ring of DNA from prokaryotes

• plasmid
• restriction enzymes
• recombinant DNA
• gene

Which genetic engineering technique separates DNA fragments based on their size?

• PCR

• Gel Electrophoresis

• Gene Cloning

• CRISPR

Scientists have adapted CRISPR to turn it into a biotechnology tool for _______ DNA.

• building

• editing

• destroying

• synthesizing

The process of making changes in the DNA code of a living organism is called

• selective breeding 
• genetic engineering
• inbreeding
• hybridization

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