Short Tandem Repeats
About the Lecture
The lecture Short Tandem Repeats by Georgina Cornwall, PhD is from the course Biotechnology.
Included Quiz Questions
Which of the following is used in DNA fingerprinting for CODIS?
- STRs
- RFLPs
- Transposons
- Trinucleotide repeats
- Single-site mutation repeats
What is a short tandem repeat (STR)?
- A microsatellite composed of a unit of two nucleotides repeated hundreds of times in a row in the DNA
- A microsatellite composed of a unit of two hundred nucleotides repeated hundreds of times in a row in the DNA
- A microsatellite composed of a unit of two hundred and twenty-two nucleotides repeated hundreds of times in a row in the DNA
- A microsatellite composed of a unit of twenty-two nucleotides repeated hundreds of times in a row in the DNA
- A microsatellite composed of a unit of twenty nucleotides repeated hundreds of times in a row in the DNA
Which of the following statements is NOT true regarding reverse genetics?
- A cloned gene of known function can be amplified to produce an altered version of the gene product.
- Reverse genetics helps understand gene function by analyzing the phenotypic effects of specifically mutated or silenced gene sequences.
- A cloned gene of unknown function is used to make a mutant that is deficient in that gene.
- Genes are deleted by gene targeting or gene knockout to determine their phenotypic function.
- Reverse genetics deals with starting with an unknown protein, modifying it, and observing the results.
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Author of lecture Short Tandem Repeats
Georgina Cornwall, PhD
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