DNA and Genetic Engineering Quiz

A visually engaging illustration of DNA strands, gel electrophoresis equipment, and a laboratory setting emphasizing genetic engineering.

DNA and Genetic Engineering Quiz

Test your knowledge on DNA, genetic engineering, and the various processes involved in creating DNA profiles. This quiz covers key concepts such as gel electrophoresis, restriction enzymes, and plasmids.

Challenge yourself with questions about:

DNA profiling
Gel electrophoresis techniques
Applications of recombinant DNA technology

14 Questions4 MinutesCreated by ExperimentingEagle21

Which of the following could be collected at a crime scene to create a DNA profile for a suspect?

A blood sample.

Imprints of shoes in mud outside of the broken door.

A letter of admission written and signed by the suspect saying “it was me!” on the computer at the crime scene.

Fingerprints.

Once a sample of DNA has been fragmented, which process is used to separate the fragments?

Recombinantion

Plasmids

Restriction

Electrophoresis.

DNA fragments move through the gel a distance that is inversely proportional to their length. Which of the following fragments would move furthest?

1100 base pairs

1500 base pairs

900 base pairs

4000 base pairs

A sample of DNA is fragmented by restriction enzymes, Fragment 1 = 1000 bp, Fragment 2 =2000 bp, Fragment 3 = 3000 bp, Fragment 4 4000 bp. Following electrophoresis how would the fragment appear in the gel?

� electrode 4, 1, 3, 2, + electrode

+ electrode 3, 2, 1, 4, - electrode

� electrode 4, 3, 2, 1, + electrode

+ electrode 4, 3, 2, 1, - electrode

Which of the following represents the correct sequence of steps in the process of gel electrophoresis?

Load the gel with samples, insert the comb, electrophorese the gel, pour the gel

Pour the gel, insert the comb, load the gel with samples, electrophorese the gel

Insert the comb, pour the gel, load the gel with samples, electrophorese the gel

Insert the comb, load the gel with samples, pour the gel, electrophorese the gel

What is the function of a restriction enzyme in recombinant technology?

Cut DNA into fragments at specific locations

Separate fragments of DNA by their length and electrical charges

Make millions of copies of a specific segment of DNA

Link together newly joined fragments of DNA

Carry DNA into a new cell

What is the function of plasmids in genetic engineering?

Carry recombinant DNA into a new cell

Make millions of copies of a specific segment of DNA

Separate fragments of DNA by their length and electrical charges

Cut DNA into many fragments

Link together newly joined fragments of DNA

What is the function of gel electrophoresis in genetic engineering?

To separate fragments of DNA by their length and electrical charges

To carry recombinant DNA into a new cell

To make millions of copies of a specific segment of DNA

To cut DNA into many fragments

To link together newly joined fragments of DNA

A molecule of DNA that contains genes from more than one source is described as

DNA polymerase

Recombinant DNA

Complimentary DNA

Messenger RNA

The bands seen is a gel following electrophoresis of a DNA sample to create a DNA profile represent:-

DNA fragments of equal length

Recombinant DNA from all of the individuals

Proteins of equal size

Cells from all of the individuals tested

What is a plasmid?

The human gene for making plasma.

An enzyme that makes DNA

An enzyme that cuts DNA

A small ring of DNA separate from the bacterial chromosome

In which organelle would DNA be located in a strawberry cell?

The nucleus

In the seeds

DNA precipitates and becomes visible after adding cold ethanol.

In the fruit

Which of the following plates would you expect to see glowing colonies of transformed bacteria?

- DNA LB/amp

+DNA LB/amp

All of the above

+DNA LB/amp/ara

Assuming that the plasmid was successfully taken up by the bacteria, what two external factors are necessary for the bacteria to fluoresce?

UV light and ampicillin

Ampicillin and warm water

UV light and arabinose

Ampicillin and arabinose

DNA and Genetic Engineering Quiz

DNA and Genetic Engineering Quiz

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